Initialise tag lists inside duplicators

See #1962
Merge branch 'integration' of github.com:symphonycms/symphony-2 into integration

Conflicts:
	symphony/assets/js/symphony.min.js
Style fixes for file upload fields, regenerated assets
Fix file name creation

Closes #1974 and #1975
Remove default extensions

They are now available in the separate `workspace` branch
Make sure autocomplete is off for newly added filters

Closes #1964
Editable sort order in DS editor

Closes #1608
Add help text to DS sort order
Provide simplified interface when reseting recovered passwords

Closes #1801
Fix Data Source redirect to 404 in combination with required/forbidden parameters

Closes #1642
Add Grunt watch

See #1973
Fix duplicator animations for existing instances. Replace transitionend event with setTimeout in order to make it work across browser

Fixes #1962
Trim tripple linebreaks

Closes #1621
Improve linebreak handling
Disallow "ID" as field `label` and `element_name`

Closes #1792
Section DS: Ignore null parameter pool values
Merge branch 'integration' of github.com:symphonycms/symphony-2 into integration
fix font-size for the installer and login page
Merge pull request #1977 from avanteweb/integration

fix font-size for the installer and login page
Make core fields' has-data check more consistent.

As discussed in #1978.