fixed travis build configuration
fixed travis build configuration

casperjs/casperjs,linkedin/casperjs,linkedin/casperjs,pbrazdil/casperjs,hexid/casperjs,PeterWangPo/casperjs,n1k0/casperjs,pbrazdil/casperjs,hudl/casperjs,singhdev/casperjs,jefleponot/casperjs,artillery/casperjs,jefleponot/casperjs,vladikoff/casperjs,vietch2612/casperjs,davidwhthomas/casperjs,JZL/casperjs,alexbiehl/casperjs,jjyycchh/casperjs,pcarrier-packaging/deb-casperjs,HienLeThi/Casperjs_Demo,jjyycchh/casperjs,jamesanthonyferguson/casperjs,jjyycchh/casperjs,muntasir2000/casperjs,pbrazdil/casperjs,casperjs/casperjs,flyHe/casperjs,Andrey-Pavlov/casperjs,ravindrasingh22/casperjs,singhdev/casperjs,sircelsiussexy/casperjs,joshuafcole/casperjs,vietch2612/casperjs,hlr1983/casperjs,PeterWangPo/casperjs,hexid/casperjs,JZL/casperjs,mcwonka/casperjs,pcarrier-packaging/deb-casperjs,kyroskoh/casperjs,mcwonka/casperjs,Andrey-Pavlov/casperjs,pcarrier-packaging/deb-casperjs,Andrey-Pavlov/casperjs,ravindrasingh22/casperjs,mickaelandrieu/casperjs,dj31416/casperjs,davidwhthomas/casperjs,alexbiehl/casperjs,artillery/casperjs,flyHe/casperjs,hlr1983/casperjs,sircelsiussexy/casperjs,hlr1983/casperjs,JZL/casperjs,kyroskoh/casperjs,HienLeThi/Casperjs_Demo,muntasir2000/casperjs,mickaelandrieu/casperjs,RobertoMalatesta/casperjs,istr/casperjs,vietch2612/casperjs,artillery/casperjs,joshuafcole/casperjs,dj31416/casperjs,PeterWangPo/casperjs,kyroskoh/casperjs,vladikoff/casperjs,PeterWangPo/casperjs,vietch2612/casperjs,jefleponot/casperjs,mcwonka/casperjs,RobertoMalatesta/casperjs,joshuafcole/casperjs,linkedin/casperjs,istr/casperjs,jefleponot/casperjs,hudl/casperjs,alexbiehl/casperjs,JZL/casperjs,jamesanthonyferguson/casperjs,mcwonka/casperjs,PeterWangPo/casperjs,n1k0/casperjs,RobertoMalatesta/casperjs,ravindrasingh22/casperjs,sircelsiussexy/casperjs,JZL/casperjs,JZL/casperjs,ravindrasingh22/casperjs,mickaelandrieu/casperjs,joshuafcole/casperjs,singhdev/casperjs,dj31416/casperjs,cryptoquick/casperjs,hexid/casperjs,pbrazdil/casperjs,hlr1983/casperjs,casperjs/casperjs,flyHe/casperjs,istr/casperjs,hexid/casperjs,linkedin/casperjs,Andrey-Pavlov/casperjs,sircelsiussexy/casperjs,mcwonka/casperjs,alexbiehl/casperjs,casperjs/casperjs,vladikoff/casperjs,linkedin/casperjs,davidwhthomas/casperjs,vladikoff/casperjs,jamesanthonyferguson/casperjs,muntasir2000/casperjs,mickaelandrieu/casperjs,RobertoMalatesta/casperjs,hlr1983/casperjs,n1k0/casperjs,jamesanthonyferguson/casperjs,hexid/casperjs,cryptoquick/casperjs,ravindrasingh22/casperjs,dj31416/casperjs,dj31416/casperjs,flyHe/casperjs,jjyycchh/casperjs,mickaelandrieu/casperjs,HienLeThi/Casperjs_Demo,vietch2612/casperjs,linkedin/casperjs,artillery/casperjs,flyHe/casperjs,jamesanthonyferguson/casperjs,casperjs/casperjs,muntasir2000/casperjs,casperjs/casperjs,singhdev/casperjs,soundyogi/casperjs,muntasir2000/casperjs,davidwhthomas/casperjs,soundyogi/casperjs,hudl/casperjs,n1k0/casperjs,n1k0/casperjs,istr/casperjs,artillery/casperjs,pcarrier-packaging/deb-casperjs,HienLeThi/Casperjs_Demo,davidwhthomas/casperjs,HienLeThi/Casperjs_Demo,jefleponot/casperjs,kyroskoh/casperjs,RobertoMalatesta/casperjs,jjyycchh/casperjs,mcwonka/casperjs,jamesanthonyferguson/casperjs,soundyogi/casperjs,pbrazdil/casperjs,jefleponot/casperjs,soundyogi/casperjs,istr/casperjs,hudl/casperjs,vietch2612/casperjs,singhdev/casperjs,hexid/casperjs,mickaelandrieu/casperjs,kyroskoh/casperjs,vladikoff/casperjs,hudl/casperjs,pbrazdil/casperjs,alexbiehl/casperjs,flyHe/casperjs,PeterWangPo/casperjs,alexbiehl/casperjs,RobertoMalatesta/casperjs,soundyogi/casperjs,cryptoquick/casperjs,Andrey-Pavlov/casperjs,sircelsiussexy/casperjs,cryptoquick/casperjs,joshuafcole/casperjs,sircelsiussexy/casperjs,muntasir2000/casperjs,hlr1983/casperjs,n1k0/casperjs,cryptoquick/casperjs,istr/casperjs,ravindrasingh22/casperjs,dj31416/casperjs,kyroskoh/casperjs,artillery/casperjs,davidwhthomas/casperjs,joshuafcole/casperjs,Andrey-Pavlov/casperjs,cryptoquick/casperjs,soundyogi/casperjs,jjyycchh/casperjs,HienLeThi/Casperjs_Demo