Clean-up .gitignore
Clean-up .gitignore

 - Eclipse-files for yamcs-simulation were not ignored. Fixed
this for the future by not depending on project names.

 - Added intellij excludes

fqqb/yamcs,m-sc/yamcs,bitblit11/yamcs,dhosa/yamcs,bitblit11/yamcs,dhosa/yamcs,bitblit11/yamcs,fqqb/yamcs,yamcs/yamcs,bitblit11/yamcs,m-sc/yamcs,yamcs/yamcs,yamcs/yamcs,fqqb/yamcs,dhosa/yamcs,m-sc/yamcs,fqqb/yamcs,yamcs/yamcs,fqqb/yamcs,m-sc/yamcs,yamcs/yamcs,dhosa/yamcs,m-sc/yamcs,yamcs/yamcs,dhosa/yamcs,fqqb/yamcs,bitblit11/yamcs,m-sc/yamcs