Improve error messaging for query parsing
Improve error messaging for query parsing

Summary:
The error used to read 'syntax error: )' when an unknown
keyword was found. This was not useful or helpful.

Test Plan: Tested manualy

Reviewed By: styurin

fbshipit-source-id: 8d9d11b

shs96c/buck,ilya-klyuchnikov/buck,davido/buck,marcinkwiatkowski/buck,brettwooldridge/buck,k21/buck,clonetwin26/buck,sdwilsh/buck,davido/buck,marcinkwiatkowski/buck,zhan-xiong/buck,davido/buck,marcinkwiatkowski/buck,justinmuller/buck,shybovycha/buck,justinmuller/buck,LegNeato/buck,zhan-xiong/buck,darkforestzero/buck,ilya-klyuchnikov/buck,dsyang/buck,SeleniumHQ/buck,marcinkwiatkowski/buck,robbertvanginkel/buck,grumpyjames/buck,brettwooldridge/buck,Addepar/buck,daedric/buck,darkforestzero/buck,justinmuller/buck,vschs007/buck,shybovycha/buck,sdwilsh/buck,Addepar/buck,kageiit/buck,nguyentruongtho/buck,dsyang/buck,clonetwin26/buck,SeleniumHQ/buck,justinmuller/buck,facebook/buck,k21/buck,JoelMarcey/buck,justinmuller/buck,romanoid/buck,daedric/buck,grumpyjames/buck,kageiit/buck,shybovycha/buck,LegNeato/buck,SeleniumHQ/buck,brettwooldridge/buck,brettwooldridge/buck,shs96c/buck,darkforestzero/buck,daedric/buck,davido/buck,k21/buck,Addepar/buck,grumpyjames/buck,vschs007/buck,zpao/buck,LegNeato/buck,marcinkwiatkowski/buck,zhan-xiong/buck,sdwilsh/buck,vschs007/buck,brettwooldridge/buck,shybovycha/buck,justinmuller/buck,JoelMarcey/buck,dsyang/buck,darkforestzero/buck,vschs007/buck,rmaz/buck,rmaz/buck,SeleniumHQ/buck,marcinkwiatkowski/buck,shybovycha/buck,facebook/buck,dsyang/buck,JoelMarcey/buck,ilya-klyuchnikov/buck,kageiit/buck,zhan-xiong/buck,dsyang/buck,vschs007/buck,sdwilsh/buck,ilya-klyuchnikov/buck,brettwooldridge/buck,davido/buck,nguyentruongtho/buck,shybovycha/buck,darkforestzero/buck,davido/buck,romanoid/buck,marcinkwiatkowski/buck,romanoid/buck,kageiit/buck,clonetwin26/buck,grumpyjames/buck,daedric/buck,dsyang/buck,vschs007/buck,daedric/buck,daedric/buck,LegNeato/buck,Addepar/buck,Addepar/buck,robbertvanginkel/buck,daedric/buck,grumpyjames/buck,vschs007/buck,sdwilsh/buck,zhan-xiong/buck,SeleniumHQ/buck,justinmuller/buck,SeleniumHQ/buck,grumpyjames/buck,shybovycha/buck,shybovycha/buck,darkforestzero/buck,vschs007/buck,darkforestzero/buck,davido/buck,rmaz/buck,zhan-xiong/buck,clonetwin26/buck,robbertvanginkel/buck,shs96c/buck,shs96c/buck,darkforestzero/buck,brettwooldridge/buck,shs96c/buck,marcinkwiatkowski/buck,brettwooldridge/buck,SeleniumHQ/buck,rmaz/buck,robbertvanginkel/buck,marcinkwiatkowski/buck,romanoid/buck,JoelMarcey/buck,k21/buck,davido/buck,zpao/buck,JoelMarcey/buck,darkforestzero/buck,dsyang/buck,grumpyjames/buck,rmaz/buck,LegNeato/buck,sdwilsh/buck,k21/buck,kageiit/buck,darkforestzero/buck,rmaz/buck,facebook/buck,shs96c/buck,SeleniumHQ/buck,robbertvanginkel/buck,brettwooldridge/buck,zhan-xiong/buck,sdwilsh/buck,daedric/buck,romanoid/buck,LegNeato/buck,justinmuller/buck,JoelMarcey/buck,darkforestzero/buck,Addepar/buck,JoelMarcey/buck,justinmuller/buck,k21/buck,SeleniumHQ/buck,vschs007/buck,shs96c/buck,k21/buck,k21/buck,sdwilsh/buck,kageiit/buck,shybovycha/buck,robbertvanginkel/buck,JoelMarcey/buck,grumpyjames/buck,zpao/buck,JoelMarcey/buck,daedric/buck,rmaz/buck,LegNeato/buck,SeleniumHQ/buck,ilya-klyuchnikov/buck,LegNeato/buck,marcinkwiatkowski/buck,JoelMarcey/buck,robbertvanginkel/buck,vschs007/buck,robbertvanginkel/buck,justinmuller/buck,zhan-xiong/buck,zhan-xiong/buck,sdwilsh/buck,grumpyjames/buck,darkforestzero/buck,shs96c/buck,romanoid/buck,Addepar/buck,shs96c/buck,romanoid/buck,nguyentruongtho/buck,JoelMarcey/buck,clonetwin26/buck,davido/buck,shybovycha/buck,zhan-xiong/buck,k21/buck,daedric/buck,ilya-klyuchnikov/buck,zpao/buck,shybovycha/buck,dsyang/buck,clonetwin26/buck,ilya-klyuchnikov/buck,facebook/buck,nguyentruongtho/buck,ilya-klyuchnikov/buck,Addepar/buck,romanoid/buck,zpao/buck,Addepar/buck,Addepar/buck,zhan-xiong/buck,romanoid/buck,Addepar/buck,ilya-klyuchnikov/buck,daedric/buck,rmaz/buck,dsyang/buck,k21/buck,marcinkwiatkowski/buck,nguyentruongtho/buck,shybovycha/buck,dsyang/buck,shs96c/buck,clonetwin26/buck,nguyentruongtho/buck,rmaz/buck,rmaz/buck,robbertvanginkel/buck,davido/buck,vschs007/buck,dsyang/buck,k21/buck,LegNeato/buck,sdwilsh/buck,shs96c/buck,brettwooldridge/buck,clonetwin26/buck,romanoid/buck,robbertvanginkel/buck,k21/buck,romanoid/buck,JoelMarcey/buck,darkforestzero/buck,justinmuller/buck,robbertvanginkel/buck,SeleniumHQ/buck,daedric/buck,marcinkwiatkowski/buck,dsyang/buck,justinmuller/buck,vschs007/buck,rmaz/buck,grumpyjames/buck,LegNeato/buck,zhan-xiong/buck,brettwooldridge/buck,kageiit/buck,grumpyjames/buck,grumpyjames/buck,rmaz/buck,Addepar/buck,davido/buck,brettwooldridge/buck,clonetwin26/buck,SeleniumHQ/buck,facebook/buck,facebook/buck,nguyentruongtho/buck,davido/buck,ilya-klyuchnikov/buck,zpao/buck,shs96c/buck,facebook/buck,vschs007/buck,JoelMarcey/buck,robbertvanginkel/buck,sdwilsh/buck,SeleniumHQ/buck,robbertvanginkel/buck,sdwilsh/buck,daedric/buck,shs96c/buck,ilya-klyuchnikov/buck,zhan-xiong/buck,davido/buck,justinmuller/buck,LegNeato/buck,marcinkwiatkowski/buck,dsyang/buck,romanoid/buck,ilya-klyuchnikov/buck,Addepar/buck,shybovycha/buck,clonetwin26/buck,ilya-klyuchnikov/buck,brettwooldridge/buck,LegNeato/buck,LegNeato/buck,clonetwin26/buck,zpao/buck,sdwilsh/buck,clonetwin26/buck,clonetwin26/buck,k21/buck,rmaz/buck,romanoid/buck