Add new logo svg and adapt gulpfile for images
Merge branch 'master' of github.com:zanata/zanata-spa into add-logo-loader

# By Luke Brooker (2) and others
# Via Alex Eng (3) and others
* 'master' of github.com:zanata/zanata-spa:
  Use REST API call to fetch source and translation text.
  Update dropdown directive to be more flexible. Split editor views
  Fix var ordering
  Add custom modernizr js for feature detection

Conflicts:
	app/editor/editor.html
Restructure gulpfile to make paths easier to understand and use
Fix module additions formatting
Add logo loader directive and associated assets
Merge pull request #35 from zanata/add-logo-loader

Added a logo-loader to display global loading state