Add support for hi resolution icons in the LR Chrome extension
Load bundled extension on SSL pages

Otherwise the browser brings up a warning and does not load the script unless one confirms to load an insecure resource.
Change deprecated api in Chrome
Fix concat task in Rakefile
Merge remote-tracking branch 'dennisreimann/patch-1'
Merge remote-tracking branch 'Vestride/hi-res-icons'
Merge remote-tracking branch 'fork/master'
add readme