Add Greek translation
Add Greek translation

Closes #363

fadils/android,bineanzhou/android_github,Damonzh/PocketHub,repanda/PocketHub,jchenga/android,sudosurootdev/packages_apps_Github,wubin28/android,tempbottle/PocketHub,vfs1234/android,kebenxiaoming/android-1,tempbottle/PocketHub,supercocoa/PocketHub,erpragatisingh/android-1,xen0n/android,xfumihiro/ForkHub,jonan/ForkHub,LeoLamCY/PocketHub,larsgrefer/github-android-app,Damonzh/PocketHub,marceloneil/PocketHub,PeterDaveHello/PocketHub,danielferecatu/android,sydneyagcaoili/PocketHub,shekibobo/android,mishin/ForkHub,Tadakatsu/android,LeoLamCY/PocketHub,hufsm/PocketHub,njucsyyh/android,common2015/PocketHub,Liyue1314/PocketHub,qiancy/PocketHub,ywk248248/Forkhub_cloned,rmad17/PocketHub,KishorAndroid/PocketHub,wang0818/android,roadrunner1987/PocketHub,cnoldtree/PocketHub,yummy222/PocketHub,xiaopengs/PocketHub,arcivanov/ForkHub,soztzfsnf/PocketHub,GeekHades/PocketHub,yytang2012/PocketHub,larsgrefer/github-android-app,M13Kd/PocketHub,gmyboy/android,jonan/ForkHub,Cl3Kener/darkhub,ISkyLove/PocketHub,theiven70/PocketHub,kebenxiaoming/android-1,Leaking/android,lzy-h2o2/PocketHub,micrologic/PocketHub,rmad17/PocketHub,songful/PocketHub,condda/android,pockethub/PocketHub,Tadakatsu/android,xiaoleigua/PocketHub,vfs1234/android,xfumihiro/ForkHub,abhishekbm/android,marceloneil/PocketHub,erpragatisingh/android-1,pockethub/PocketHub,Kevin16Wang/PocketHub,huangsongyan/PocketHub,simple88/PocketHub,sydneyagcaoili/PocketHub,Kevin16Wang/PocketHub,marceloneil/PocketHub,weiyihz/PocketHub,jonan/ForkHub,zhuxiaohao/PocketHub,Bloody-Badboy/PocketHub,esironal/PocketHub,xiaopengs/PocketHub,JLLK/PocketHub-scala,samuelralak/ForkHub,njucsyyh/android,JosephYao/android,gmyboy/android,Katariaa/PocketHub,repanda/PocketHub,PKRoma/PocketHub,PKRoma/PocketHub,common2015/PocketHub,GeekHades/PocketHub,Androidbsw/android,rmad17/PocketHub,funsociety/PocketHub,work4life/PocketHub,forkhubs/android,PeterDaveHello/PocketHub,liqk2014/PocketHub,esironal/PocketHub,wshh08/PocketHub,Katariaa/PocketHub,hgl888/PocketHub,yummy222/PocketHub,songful/PocketHub,Calamus-Cajan/PocketHub,PKRoma/github-android,work4life/PocketHub,KishorAndroid/PocketHub,jchenga/android,ywk248248/Forkhub_cloned,acemaster/android,repanda/PocketHub,huangsongyan/PocketHub,KingLiuDao/android,xfumihiro/ForkHub,generalzou/PocketHub,wubin28/android,sydneyagcaoili/PocketHub,yuanhuihui/PocketHub,danielferecatu/android,LeoLamCY/PocketHub,soztzfsnf/PocketHub,arcivanov/ForkHub,gvaish/PocketHub,Calamus-Cajan/PocketHub,KishorAndroid/PocketHub,wang0818/android,JosephYao/android,songful/PocketHub,Bloody-Badboy/PocketHub,supercocoa/PocketHub,abhishekbm/android,generalzou/PocketHub,bineanzhou/android_github,KingLiuDao/android,Meisolsson/PocketHub,micrologic/PocketHub,Bloody-Badboy/PocketHub,zhuxiaohao/PocketHub,Androidbsw/android,karllindmark/PocketHub,jchenga/android,sudosurootdev/packages_apps_Github,KingLiuDao/android,yytang2012/PocketHub,GeekHades/PocketHub,funsociety/PocketHub,danielferecatu/android,tempbottle/PocketHub,Kevin16Wang/PocketHub,PKRoma/github-android,common2015/PocketHub,xen0n/android,samuelralak/ForkHub,chaoallsome/PocketHub,weiyihz/PocketHub,yuanhuihui/PocketHub,PeterDaveHello/PocketHub,simple88/PocketHub,condda/android,ywk248248/Forkhub_cloned,kostaskoukouvis/android,Liyue1314/PocketHub,mishin/ForkHub,navychang/android,PKRoma/PocketHub,huangsongyan/PocketHub,chaoallsome/PocketHub,micrologic/PocketHub,funsociety/PocketHub,Chalmers-SEP-GitHubApp-Group/android,reproio/github-for-android,JosephYao/android,fadils/android,larsgrefer/pocket-hub,xfumihiro/PocketHub,PKRoma/github-android,xiaopengs/PocketHub,Damonzh/PocketHub,lzy-h2o2/PocketHub,yytang2012/PocketHub,gvaish/PocketHub,kebenxiaoming/android-1,qiancy/PocketHub,yongjhih/PocketHub,nvoron23/android,fadils/android,Meisolsson/PocketHub,zhangtianqiu/githubandroid,hgl888/PocketHub,gvaish/PocketHub,simple88/PocketHub,qiancy/PocketHub,yuanhuihui/PocketHub,soztzfsnf/PocketHub,theiven70/PocketHub,roadrunner1987/PocketHub,DeLaSalleUniversity-Manila/forkhub-JJCpro10,erpragatisingh/android-1,cnoldtree/PocketHub,Cl3Kener/darkhub,wubin28/android,Meisolsson/PocketHub,zhangtianqiu/githubandroid,songful/PocketHub,lzy-h2o2/PocketHub,mishin/ForkHub,zhengxiaopeng/github-app,reproio/github-for-android,Liyue1314/PocketHub,cnoldtree/PocketHub,PKRoma/PocketHub,hufsm/PocketHub,chaoallsome/PocketHub,vfs1234/android,acemaster/android,njucsyyh/android,esironal/PocketHub,roadrunner1987/PocketHub,zhengxiaopeng/github-app,karllindmark/PocketHub,pockethub/PocketHub,yummy222/PocketHub,usr80/Android,sam14305/bhoot.life,usr80/Android,ISkyLove/PocketHub,M13Kd/PocketHub,sam14305/bhoot.life,arcivanov/ForkHub,shekibobo/android,xiaoleigua/PocketHub,DeLaSalleUniversity-Manila/forkhub-JJCpro10,DeLaSalleUniversity-Manila/forkhub-JJCpro10,theiven70/PocketHub,hufsm/PocketHub,acemaster/android,kostaskoukouvis/android,larsgrefer/github-android-app,wshh08/PocketHub,nvoron23/android,tsdl2013/android,Calamus-Cajan/PocketHub,samuelralak/ForkHub,tsdl2013/android,navychang/android,Meisolsson/PocketHub,larsgrefer/pocket-hub,Androidbsw/android,wang0818/android,bineanzhou/android_github,zhuxiaohao/PocketHub,Chalmers-SEP-GitHubApp-Group/android,generalzou/PocketHub,navychang/android,Leaking/android,hgl888/PocketHub,supercocoa/PocketHub,condda/android,gmyboy/android,karllindmark/PocketHub,yongjhih/PocketHub,shekibobo/android,liqk2014/PocketHub,weiyihz/PocketHub,wshh08/PocketHub,forkhubs/android,work4life/PocketHub,zhengxiaopeng/github-app,xiaoleigua/PocketHub,forkhubs/android,larsgrefer/pocket-hub,yongjhih/PocketHub,Cl3Kener/darkhub,ISkyLove/PocketHub,abhishekbm/android,zhangtianqiu/githubandroid,sam14305/bhoot.life,xen0n/android,pockethub/PocketHub,M13Kd/PocketHub,liqk2014/PocketHub,Katariaa/PocketHub,reproio/github-for-android,tsdl2013/android,xfumihiro/PocketHub,xfumihiro/PocketHub,Tadakatsu/android,nvoron23/android