Adding gitignore
Adding gitignore

Change-Id: I256bdafd18b67f2de41e8b1fcc3c7a20f1eaf248
Signed-off-by: shroffk <a3b6c3928a745b45becc135941c7c4a0f4436957@bnl.gov>
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,ControlSystemStudio/org.csstudio.iter,css-iter/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,ControlSystemStudio/org.csstudio.iter,css-iter/org.csstudio.iter