Merge pull request #73 from michalbe/haida-content

1st step of making contacts sheetable
Always display a (blank) cover while animating a new sheet in.
Merge pull request #74 from etiennesegonzac/covering-new-sheets

Always display a (blank) cover while animating a new sheet in.
Preventing the progress' gif from showing during a sheet transition.
Merge pull request #75 from etiennesegonzac/freeze-progress

Preventing the progress' gif from showing during a sheet transition.
Make RIL works
Merge branch 'content' of github.com:vingtetun/gaia
Making the rocket bar transitions and the sheets transitions play nice.
Merge pull request #76 from etiennesegonzac/sheet-and-rocket-bar-timing

Making the rocket bar transitions and the sheets transitions play nice.
Make sure to remove the cover if the frame does not have addNextPaintListener
Merge pull request #77 from michalbe/haida-content

contact details
Merge pull request #78 from michalbe/haida-content

cleaning
Merge pull request #79 from michalbe/haida-content

remove back button in detail contact view
Merge pull request #80 from michalbe/haida-content

css fix for new contact screen
Merge pull request #81 from michalbe/haida-content

contacts settings
Smoothing things up and shit.
Merge pull request #82 from etiennesegonzac/papercuts-content

Smoothing things up and shit.
Let's wait a little bit for opening sheets
Merge pull request #83 from michalbe/haida-content

removing browser from activities and rocket bar
Argh this breaks openOrigin