this is not the activity app ;-)

add tests for accountsservice

split accountscontroller::send into testable chunks and add tests

enable dependency caching for travis to speed up CI builds

increase timeout to prevent failing checks when travis takes too long

add more messagescontroller unit tests

add unit tests for pagecontroller

add more folderscontroller unit tests

increase grunt version to 0.4

make proxycontroller testable and add unit tests

add tests for contactsintegration

construct application to increase code coverage

Fix CSP issue for replaced tracking pixels

fix transparency of tooltip in mail header

fix unified inbox being under the new message button

fix position of send/reply buttons, fix #484

Add target="_blank" to all html links

use grey instead of transparency for quoted mails so they don't get unreadable

change icons to black to fit ownCloud 8.2 style

Fixes #1085

Fix the generation of the address list