Initial UI cleanup

- added assets_shared submodule
- added support for grunt
- cleanup of layout.html

.gitignore

@@ -10,6 +10,7 @@ __pycache__/
 *.swp
 *.swo
 *#
+*.bak
 
 # ms-windows
 Thumbs.db
@@ -28,3 +29,9 @@ http.log
 master_private.py
 twistd.log
 linux_glibc211_x86_64_scons/
+gitpoller-work/
+node_modules/
+*.sqlite-shm
+*.sqlite-wal
+*.pid
+*.map