[buck] Add building buck completed line
[buck] Add building buck completed line

Summary:
If buck needs to build, it prints a message saying "..building Buck!". However, without mentioning it's done, it starts building the target previously given to build.
This diff adds a line to inform when building buck has completed.

clonetwin26/buck,k21/buck,dpursehouse/buck,stuhood/buck,k21/buck,kageiit/buck,Addepar/buck,shybovycha/buck,zpao/buck,mikekap/buck,1yvT0s/buck,rmaz/buck,illicitonion/buck,justinmuller/buck,ilya-klyuchnikov/buck,dpursehouse/buck,rmaz/buck,k21/buck,mogers/buck,k21/buck,OkBuilds/buck,grumpyjames/buck,LegNeato/buck,Dominator008/buck,nguyentruongtho/buck,illicitonion/buck,marcinkwiatkowski/buck,hgl888/buck,mogers/buck,romanoid/buck,facebook/buck,dsyang/buck,SeleniumHQ/buck,clonetwin26/buck,MarkRunWu/buck,marcinkwiatkowski/buck,justinmuller/buck,SeleniumHQ/buck,1yvT0s/buck,lukw00/buck,justinmuller/buck,lukw00/buck,bocon13/buck,vschs007/buck,bocon13/buck,LegNeato/buck,Dominator008/buck,rmaz/buck,mikekap/buck,rowillia/buck,shybovycha/buck,luiseduardohdbackup/buck,Learn-Android-app/buck,marcinkwiatkowski/buck,bocon13/buck,sdwilsh/buck,mnuessler/buck,JoelMarcey/buck,ilya-klyuchnikov/buck,Learn-Android-app/buck,siddhartharay007/buck,vine/buck,rhencke/buck,shs96c/buck,JoelMarcey/buck,facebook/buck,mikekap/buck,romanoid/buck,vschs007/buck,rmaz/buck,MarkRunWu/buck,vine/buck,artiya4u/buck,rmaz/buck,dsyang/buck,LegNeato/buck,pwz3n0/buck,vine/buck,pwz3n0/buck,sdwilsh/buck,daedric/buck,Dominator008/buck,bocon13/buck,Dominator008/buck,zhan-xiong/buck,grumpyjames/buck,dushmis/buck,zhan-xiong/buck,ilya-klyuchnikov/buck,justinmuller/buck,raviagarwal7/buck,neonichu/buck,darkforestzero/buck,rmaz/buck,stuhood/buck,JoelMarcey/buck,OkBuilds/buck,bocon13/buck,SeleniumHQ/buck,shs96c/buck,shs96c/buck,Learn-Android-app/buck,hgl888/buck,raviagarwal7/buck,bocon13/buck,janicduplessis/buck,tgummerer/buck,facebook/buck,Addepar/buck,hgl888/buck,Heart2009/buck,MarkRunWu/buck,rhencke/buck,robbertvanginkel/buck,k21/buck,OkBuilds/buck,pwz3n0/buck,mikekap/buck,mnuessler/buck,dushmis/buck,neonichu/buck,SeleniumHQ/buck,ilya-klyuchnikov/buck,rhencke/buck,janicduplessis/buck,JoelMarcey/buck,artiya4u/buck,shs96c/buck,zpao/buck,artiya4u/buck,Distrotech/buck,k21/buck,SeleniumHQ/buck,Dominator008/buck,justinmuller/buck,vschs007/buck,stuhood/buck,OkBuilds/buck,mnuessler/buck,vine/buck,grumpyjames/buck,justinmuller/buck,Addepar/buck,liuyang-li/buck,raviagarwal7/buck,robbertvanginkel/buck,hgl888/buck,bocon13/buck,davido/buck,liuyang-li/buck,robbertvanginkel/buck,artiya4u/buck,clonetwin26/buck,sdwilsh/buck,marcinkwiatkowski/buck,mnuessler/buck,romanoid/buck,illicitonion/buck,tgummerer/buck,SeleniumHQ/buck,liuyang-li/buck,marcinkwiatkowski/buck,mnuessler/buck,zhan-xiong/buck,k21/buck,facebook/buck,Addepar/buck,romanoid/buck,rowillia/buck,lukw00/buck,OkBuilds/buck,sdwilsh/buck,illicitonion/buck,marcinkwiatkowski/buck,rhencke/buck,clonetwin26/buck,mogers/buck,darkforestzero/buck,clonetwin26/buck,tgummerer/buck,romanoid/buck,robbertvanginkel/buck,rowillia/buck,1yvT0s/buck,darkforestzero/buck,shs96c/buck,rowillia/buck,grumpyjames/buck,illicitonion/buck,daedric/buck,neonichu/buck,Heart2009/buck,grumpyjames/buck,darkforestzero/buck,dsyang/buck,rowillia/buck,janicduplessis/buck,robbertvanginkel/buck,Addepar/buck,brettwooldridge/buck,LegNeato/buck,dsyang/buck,davido/buck,mnuessler/buck,vschs007/buck,SeleniumHQ/buck,stuhood/buck,bocon13/buck,facebook/buck,mikekap/buck,mogers/buck,Distrotech/buck,brettwooldridge/buck,shs96c/buck,neonichu/buck,1yvT0s/buck,rhencke/buck,pwz3n0/buck,rowillia/buck,rowillia/buck,daedric/buck,daedric/buck,Heart2009/buck,janicduplessis/buck,rhencke/buck,Heart2009/buck,davido/buck,brettwooldridge/buck,daedric/buck,ilya-klyuchnikov/buck,Distrotech/buck,clonetwin26/buck,shybovycha/buck,stuhood/buck,SeleniumHQ/buck,1yvT0s/buck,dpursehouse/buck,siddhartharay007/buck,siddhartharay007/buck,lukw00/buck,LegNeato/buck,lukw00/buck,shybovycha/buck,brettwooldridge/buck,k21/buck,vschs007/buck,Learn-Android-app/buck,vine/buck,zpao/buck,justinmuller/buck,dushmis/buck,pwz3n0/buck,shybovycha/buck,Learn-Android-app/buck,zhan-xiong/buck,davido/buck,ilya-klyuchnikov/buck,Heart2009/buck,raviagarwal7/buck,tgummerer/buck,siddhartharay007/buck,romanoid/buck,robbertvanginkel/buck,OkBuilds/buck,1yvT0s/buck,justinmuller/buck,JoelMarcey/buck,romanoid/buck,romanoid/buck,liuyang-li/buck,shs96c/buck,tgummerer/buck,illicitonion/buck,1yvT0s/buck,mikekap/buck,MarkRunWu/buck,shybovycha/buck,sdwilsh/buck,illicitonion/buck,Addepar/buck,grumpyjames/buck,mikekap/buck,shs96c/buck,OkBuilds/buck,marcinkwiatkowski/buck,dsyang/buck,rhencke/buck,LegNeato/buck,illicitonion/buck,JoelMarcey/buck,stuhood/buck,raviagarwal7/buck,liuyang-li/buck,mogers/buck,vschs007/buck,zhuxiaohao/buck,luiseduardohdbackup/buck,Heart2009/buck,raviagarwal7/buck,mnuessler/buck,janicduplessis/buck,clonetwin26/buck,kageiit/buck,SeleniumHQ/buck,mnuessler/buck,shybovycha/buck,rhencke/buck,darkforestzero/buck,raviagarwal7/buck,artiya4u/buck,sdwilsh/buck,romanoid/buck,vschs007/buck,hgl888/buck,rowillia/buck,daedric/buck,Addepar/buck,Dominator008/buck,darkforestzero/buck,clonetwin26/buck,zhan-xiong/buck,LegNeato/buck,luiseduardohdbackup/buck,artiya4u/buck,grumpyjames/buck,dpursehouse/buck,brettwooldridge/buck,rhencke/buck,pwz3n0/buck,raviagarwal7/buck,tgummerer/buck,brettwooldridge/buck,illicitonion/buck,liuyang-li/buck,vine/buck,illicitonion/buck,Distrotech/buck,brettwooldridge/buck,luiseduardohdbackup/buck,hgl888/buck,stuhood/buck,JoelMarcey/buck,bocon13/buck,mogers/buck,vschs007/buck,liuyang-li/buck,k21/buck,janicduplessis/buck,marcinkwiatkowski/buck,daedric/buck,shybovycha/buck,lukw00/buck,JoelMarcey/buck,artiya4u/buck,dushmis/buck,MarkRunWu/buck,Dominator008/buck,raviagarwal7/buck,JoelMarcey/buck,brettwooldridge/buck,sdwilsh/buck,dpursehouse/buck,Addepar/buck,shybovycha/buck,bocon13/buck,shybovycha/buck,robbertvanginkel/buck,marcinkwiatkowski/buck,shs96c/buck,pwz3n0/buck,lukw00/buck,sdwilsh/buck,Learn-Android-app/buck,neonichu/buck,tgummerer/buck,Distrotech/buck,pwz3n0/buck,OkBuilds/buck,janicduplessis/buck,raviagarwal7/buck,darkforestzero/buck,clonetwin26/buck,vine/buck,luiseduardohdbackup/buck,zhuxiaohao/buck,lukw00/buck,dsyang/buck,MarkRunWu/buck,daedric/buck,tgummerer/buck,illicitonion/buck,shybovycha/buck,siddhartharay007/buck,dushmis/buck,Learn-Android-app/buck,raviagarwal7/buck,raviagarwal7/buck,k21/buck,JoelMarcey/buck,ilya-klyuchnikov/buck,romanoid/buck,hgl888/buck,davido/buck,Addepar/buck,ilya-klyuchnikov/buck,siddhartharay007/buck,romanoid/buck,daedric/buck,rmaz/buck,daedric/buck,robbertvanginkel/buck,darkforestzero/buck,luiseduardohdbackup/buck,clonetwin26/buck,zhuxiaohao/buck,vine/buck,davido/buck,1yvT0s/buck,zhuxiaohao/buck,Distrotech/buck,facebook/buck,dsyang/buck,lukw00/buck,dushmis/buck,pwz3n0/buck,davido/buck,zpao/buck,daedric/buck,sdwilsh/buck,brettwooldridge/buck,marcinkwiatkowski/buck,dsyang/buck,vine/buck,SeleniumHQ/buck,liuyang-li/buck,shs96c/buck,brettwooldridge/buck,zhan-xiong/buck,SeleniumHQ/buck,zhan-xiong/buck,kageiit/buck,ilya-klyuchnikov/buck,sdwilsh/buck,dsyang/buck,marcinkwiatkowski/buck,nguyentruongtho/buck,OkBuilds/buck,justinmuller/buck,darkforestzero/buck,OkBuilds/buck,neonichu/buck,zhan-xiong/buck,vschs007/buck,1yvT0s/buck,LegNeato/buck,LegNeato/buck,zhan-xiong/buck,Distrotech/buck,dsyang/buck,LegNeato/buck,Distrotech/buck,JoelMarcey/buck,Learn-Android-app/buck,rmaz/buck,rmaz/buck,mogers/buck,luiseduardohdbackup/buck,romanoid/buck,LegNeato/buck,rmaz/buck,Addepar/buck,siddhartharay007/buck,ilya-klyuchnikov/buck,siddhartharay007/buck,rhencke/buck,davido/buck,stuhood/buck,Dominator008/buck,nguyentruongtho/buck,stuhood/buck,darkforestzero/buck,illicitonion/buck,zhuxiaohao/buck,clonetwin26/buck,dushmis/buck,SeleniumHQ/buck,dushmis/buck,justinmuller/buck,LegNeato/buck,janicduplessis/buck,k21/buck,zhuxiaohao/buck,mogers/buck,mogers/buck,davido/buck,Addepar/buck,Dominator008/buck,mogers/buck,vschs007/buck,daedric/buck,mikekap/buck,zpao/buck,ilya-klyuchnikov/buck,brettwooldridge/buck,davido/buck,Dominator008/buck,artiya4u/buck,robbertvanginkel/buck,Heart2009/buck,tgummerer/buck,Dominator008/buck,rhencke/buck,zpao/buck,pwz3n0/buck,artiya4u/buck,ilya-klyuchnikov/buck,janicduplessis/buck,grumpyjames/buck,dsyang/buck,zhan-xiong/buck,mogers/buck,OkBuilds/buck,Distrotech/buck,luiseduardohdbackup/buck,darkforestzero/buck,pwz3n0/buck,nguyentruongtho/buck,grumpyjames/buck,kageiit/buck,luiseduardohdbackup/buck,stuhood/buck,zpao/buck,zhan-xiong/buck,justinmuller/buck,SeleniumHQ/buck,darkforestzero/buck,k21/buck,k21/buck,romanoid/buck,Heart2009/buck,vine/buck,Dominator008/buck,Learn-Android-app/buck,artiya4u/buck,robbertvanginkel/buck,justinmuller/buck,zhan-xiong/buck,shs96c/buck,dpursehouse/buck,zhuxiaohao/buck,illicitonion/buck,kageiit/buck,robbertvanginkel/buck,nguyentruongtho/buck,Heart2009/buck,Distrotech/buck,neonichu/buck,stuhood/buck,justinmuller/buck,davido/buck,dpursehouse/buck,mnuessler/buck,lukw00/buck,vine/buck,brettwooldridge/buck,facebook/buck,brettwooldridge/buck,dushmis/buck,hgl888/buck,grumpyjames/buck,rmaz/buck,tgummerer/buck,raviagarwal7/buck,liuyang-li/buck,JoelMarcey/buck,neonichu/buck,LegNeato/buck,grumpyjames/buck,artiya4u/buck,liuyang-li/buck,sdwilsh/buck,hgl888/buck,Addepar/buck,Learn-Android-app/buck,robbertvanginkel/buck,vschs007/buck,vschs007/buck,Distrotech/buck,rowillia/buck,dsyang/buck,dushmis/buck,dsyang/buck,sdwilsh/buck,kageiit/buck,MarkRunWu/buck,rmaz/buck,zhuxiaohao/buck,rowillia/buck,janicduplessis/buck,zhan-xiong/buck,kageiit/buck,rowillia/buck,dpursehouse/buck,Learn-Android-app/buck,neonichu/buck,zhuxiaohao/buck,marcinkwiatkowski/buck,MarkRunWu/buck,clonetwin26/buck,sdwilsh/buck,liuyang-li/buck,OkBuilds/buck,mikekap/buck,OkBuilds/buck,clonetwin26/buck,siddhartharay007/buck,davido/buck,rowillia/buck,janicduplessis/buck,vschs007/buck,mikekap/buck,shybovycha/buck,darkforestzero/buck,JoelMarcey/buck,shybovycha/buck,nguyentruongtho/buck,shs96c/buck,bocon13/buck,lukw00/buck,Addepar/buck,shs96c/buck,nguyentruongtho/buck,marcinkwiatkowski/buck,davido/buck,bocon13/buck,rmaz/buck,ilya-klyuchnikov/buck,mikekap/buck,robbertvanginkel/buck,daedric/buck,janicduplessis/buck,grumpyjames/buck,mikekap/buck,tgummerer/buck