IGNITE-12918 .NET: Add Travis job
IGNITE-12918 .NET: Add Travis job

Add .NET build to Travis
nizhikov/ignite,samaitra/ignite,NSAmelchev/ignite,nizhikov/ignite,NSAmelchev/ignite,daradurvs/ignite,SomeFire/ignite,samaitra/ignite,chandresh-pancholi/ignite,nizhikov/ignite,samaitra/ignite,SomeFire/ignite,NSAmelchev/ignite,chandresh-pancholi/ignite,chandresh-pancholi/ignite,chandresh-pancholi/ignite,xtern/ignite,nizhikov/ignite,daradurvs/ignite,xtern/ignite,samaitra/ignite,ascherbakoff/ignite,daradurvs/ignite,ascherbakoff/ignite,NSAmelchev/ignite,SomeFire/ignite,NSAmelchev/ignite,apache/ignite,chandresh-pancholi/ignite,chandresh-pancholi/ignite,daradurvs/ignite,nizhikov/ignite,NSAmelchev/ignite,nizhikov/ignite,NSAmelchev/ignite,xtern/ignite,daradurvs/ignite,SomeFire/ignite,ascherbakoff/ignite,chandresh-pancholi/ignite,nizhikov/ignite,apache/ignite,xtern/ignite,samaitra/ignite,nizhikov/ignite,daradurvs/ignite,ascherbakoff/ignite,ascherbakoff/ignite,ascherbakoff/ignite,SomeFire/ignite,daradurvs/ignite,samaitra/ignite,daradurvs/ignite,apache/ignite,SomeFire/ignite,xtern/ignite,samaitra/ignite,xtern/ignite,SomeFire/ignite,daradurvs/ignite,ascherbakoff/ignite,chandresh-pancholi/ignite,xtern/ignite,SomeFire/ignite,apache/ignite,NSAmelchev/ignite,xtern/ignite,ascherbakoff/ignite,apache/ignite,SomeFire/ignite,samaitra/ignite,chandresh-pancholi/ignite,SomeFire/ignite,apache/ignite,samaitra/ignite,apache/ignite,samaitra/ignite,apache/ignite,NSAmelchev/ignite,ascherbakoff/ignite,daradurvs/ignite,apache/ignite,nizhikov/ignite,xtern/ignite