Merge pull request #24 from Koin/master

Update rails 3.2.8 to 3.2.11
Replace unzip command by zipruby
Add test environnement to development mongoid configuration 

In order to avoid problem seen in issue #25 after a default installation with Vagrant.
Merge pull request #26 from noplay/patch-1

Add test environnement to development mongoid configuration
Merge pull request #27 from youboox/replace_unzip_by_zipruby

Replace unzip command by zipruby
Support tel:// uri scheme
Merge pull request #28 from youboox/support_tel_uri_scheme

Support tel:// uri scheme
Mod: update sticky.js to 2.9

Old version, 2.8, doesn't work with latest Chrome version.
See https://github.com/TEA-ebook/teabook-open-reader/issues/29
Mod: update references to sticky 2.9 instead of 2.8
Merge pull request #31 from CrEv/pr/sticky2.9

Broken demo: Mod: update sticky.js to 2.9