Update .gitignore

.gitignore

@@ -14,6 +14,8 @@
 *.toc
 *.vrb
 .noseids
+*.DS_Store
+*.bak
 Theano.egg-info
 \#*\#
 build
@@ -32,14 +34,9 @@ theano/generated_version.py.out
 distribute-*.egg
 distribute-*.tar.gz
 Theano.suo
-*.DS_Store
-*.bak
 .ipynb_checkpoints
 .pydevproject
 
-doc/library/d3viz/GSoC/150724_opfrom/bundle/
-doc/library/d3viz/GSoC/150724_opfrom/bundle2/
-doc/library/d3viz/GSoC/150819
-doc/library/d3viz/GSoC/150820
+doc/library/d3viz/GSoC/
 doc/library/d3viz/examples/
 doc/library/d3viz/index_files/