Add tag frontend managment
(https://github.com/phpugl/Dime/issues/52)
#60: add settings frontend
rename filter method to addFilter, since we did not want to override the original Underscore method
Merge branch 'master' into settings

Conflicts:
	Resources/public/css/style.css
#22: apply default activity filter based on settings
#22 add date to default filters
Merge pull request #21 from wireshark/master

add Tag support for Customer, Project and Service
tested!