Merge pull request #309 from uProxy/uproxy-firefox

Uproxy firefox
initial commit
nit pickswq
address fixme
Change Oauth2 URL to allow account switching
Merge pull request #320 from uProxy/salomegeo-chrome-tabs

tab based oauth flow in chrome
updated for new location
begin a polymer ui setup
fix grunt copy rule for polymer, begin toolbar
toolbar and container styled in polymer
implement buttons and fire handlers for uproxy-toolbar
begin roster and contact polymer elements
rename polymer element html files
begin settings page, factor out ui into a giant polymer-element, make view toggling work
split ui script into separate file, make external binding work
rudimentary networks view
enlarge button click area to the actual element
actually have networks view, transitions experiment
try internet metaphor background picture
preliminary contact expansion and scrolling