fixed issue when casper executable is symlinked
fixed issue when casper executable is symlinked

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