adds some specs for creating a work package by copying over stuff from another one
New look for header and project navigation [3390]

- Set the final colors, spaces etc.
- Clean up CSS
- Added more SASS variables and used them
changed submenu toggler size for project menu
Rewrote a test to a spec and relaxed another test to work with the
profile visibility plugin
Merge pull request #741 from opf/fix/rewrite_tests_to_specs

Rewrote a test to a spec and relaxed another test to work with the
Adds spec
Adapts acts as event modifications
Fixes test unit test
Adds changelog entry
fixed icons for Activity section in user#show
Merge pull request #730 from opf/fix/users_show_view

[FIX] User's show view
removes unnecessary selenium usage
refactor autocompleter.js for easier bug finding.
bugfix multiple autocompletes.
changelog.
readd 'multiple' attributes in timelines filter. we need 'em for form serialization
Adds specs
Fixes missing permitted params
Adds changelog entries
Merge pull request #742 from opf/feature/final_3_0_layout