.gitignore: adding the .settings folder
.gitignore: adding the .settings folder

Change-Id: I93c4a338321fcc947230c8d1463312e15bd13c7b
Signed-off-by: Kunal Shroff <a3b6c3928a745b45becc135941c7c4a0f4436957@bnl.gov>

ControlSystemStudio/org.csstudio.iter,ControlSystemStudio/org.csstudio.iter,css-iter/org.csstudio.iter,ControlSystemStudio/org.csstudio.iter,ControlSystemStudio/org.csstudio.iter,css-iter/org.csstudio.iter,css-iter/org.csstudio.iter,ControlSystemStudio/org.csstudio.iter,css-iter/org.csstudio.iter,css-iter/org.csstudio.iter,css-iter/org.csstudio.iter,ControlSystemStudio/org.csstudio.iter,css-iter/org.csstudio.iter,css-iter/org.csstudio.iter,ControlSystemStudio/org.csstudio.iter,ControlSystemStudio/org.csstudio.iter