update gitignore
update gitignore

Signed-off-by: choeger <choeger@cs.tu-berlin.de>

git-svn-id: 72ed79e003efca9e957d508a114f2396e50ef007@72 7f48fefd-0d02-40f8-80ca-97af334de212

choeger/eModelica,choeger/eModelica