WIP First attempt at making selectable title behave more like select2.
Fixed some bugs and cleaned up tests.

"Reverting" the Gemfile.lock the easy way.

Total Gemfile farce here sorry it's early.

Removed references to a library we're not using.
Tidied up selectable title js a bit.
Broke apart prev/next methods and wrote some tests for key presses.
Refactored out the loops in selectable title directive for better readability.
Fixed bug with event default prevention.
Hiding the webkit search field cancel x icon in selectable title.
fixes cuke flicker
improves step definition performance and readability
Wired up latest activity and avatars on overview.
Removed extra button and wired up edit button (hackily)
Put user avatars in activity and watchers tabs.
Added custom properties to the WP resource
Merge pull request #1530 from opf/fix/package_cuke_flicker

Fix/package cuke flicker
Merge pull request #1513 from opf/feature/seletable-title-more-like-select2

Feature/selectable title more like select2
Merge pull request #1546 from opf/feature/details-overview-latest-activity

Feature/details overview latest activity
Merge pull request #1549 from opf/feature/api-work-packages-add-custom-properties

Added custom properties to the WP resource
Merge branch 'dev' into feature/api-create-user-show-endpoint

Conflicts:
	lib/api/v3/work_packages/work_package_representer.rb
	public/templates/tabs/overview.html