GemRequirement: Add require attribute
GemRequirement: Add require attribute

This attribute is by default empty, and
can be specified if any flags are to be
used upon installation.

arjunsinghy96/coala,ayushin78/coala,tushar-rishav/coala,yashLadha/coala,Asalle/coala,impmihai/coala,RJ722/coala,arjunsinghy96/coala,SanketDG/coala,coala-analyzer/coala,rimacone/testing2,refeed/coala,netman92/coala,NiklasMM/coala,tushar-rishav/coala,incorrectusername/coala,aptrishu/coala,Nosferatul/coala,tushar-rishav/coala,shreyans800755/coala,JohnS-01/coala,NiklasMM/coala,sils1297/coala,CruiseDevice/coala,impmihai/coala,sils1297/coala,abhiroyg/coala,stevemontana1980/coala,abhiroyg/coala,Shade5/coala,refeed/coala,coala-analyzer/coala,coala/coala,kartikeys98/coala,kartikeys98/coala,sagark123/coala,arjunsinghy96/coala,MariosPanag/coala,meetmangukiya/coala,aptrishu/coala,karansingh1559/coala,ManjiriBirajdar/coala,nemaniarjun/coala,SanketDG/coala,nemaniarjun/coala,Nosferatul/coala,Asnelchristian/coala,arush0311/coala,abhiroyg/coala,CruiseDevice/coala,ManjiriBirajdar/coala,stevemontana1980/coala,vinc456/coala,kartikeys98/coala,Asnelchristian/coala,vinc456/coala,incorrectusername/coala,ManjiriBirajdar/coala,yashtrivedi96/coala,sagark123/coala,meetmangukiya/coala,Asnelchristian/coala,SanketDG/coala,coala/coala,jayvdb/coala,Balaji2198/coala,sagark123/coala,aptrishu/coala,sils1297/coala,RJ722/coala,JohnS-01/coala,Asalle/coala,Shade5/coala,impmihai/coala,yashtrivedi96/coala,netman92/coala,stevemontana1980/coala,MariosPanag/coala,Shade5/coala,yashLadha/coala,damngamerz/coala,CruiseDevice/coala,damngamerz/coala,Asalle/coala,ayushin78/coala,mr-karan/coala,Nosferatul/coala,mr-karan/coala,karansingh1559/coala,JohnS-01/coala,damngamerz/coala,karansingh1559/coala,jayvdb/coala,rimacone/testing2,meetmangukiya/coala,RJ722/coala,coala/coala,vinc456/coala,shreyans800755/coala,refeed/coala,Balaji2198/coala,ayushin78/coala,shreyans800755/coala,jayvdb/coala,netman92/coala,arush0311/coala,mr-karan/coala,yashtrivedi96/coala,MariosPanag/coala,incorrectusername/coala,coala-analyzer/coala,rimacone/testing2,Balaji2198/coala,yashLadha/coala,nemaniarjun/coala,arush0311/coala,NiklasMM/coala