js: wrap CSRF javascript in jQuery(function(){})

Also remove the unnecessary `csrftoken` variable and use the `getCookie`
function directly.
Fix handling of invalid choices in `choices_for_values`

Fixes https://github.com/yourlabs/django-autocomplete-light/issues/62
tox.ini: add {posargs} placeholder to pass arguments easliy
Fixes a bug where ampersand cannot be typed on Chrome/Mac
Merge pull request #306 from aidanlister/patch-1

Fixes a bug where ampersand cannot be typed on Chrome/Mac
Merge pull request #297 from blueyed/ajax-csrf-on-dom-ready

js: wrap CSRF javascript in jQuery(function(){})
Merge pull request #298 from blueyed/fix-issue-62

Fix handling of invalid choices in `choices_for_values`
Merge pull request #304 from blueyed/tox-ini-posargs

tox.ini: add {posargs} placeholder to pass arguments easliy
Fixed tests on django 1.7, let's see how our test matrix supports it
Use official 1.7 release now
Try to fix selenium
Reduce WAIT_TIME for travis because we're supering 50 minutes test run now
Speling correction
Merge pull request #333 from andybak/patch-1

Speling correction
Merge branch 'v2' of github.com:yourlabs/django-autocomplete-light into v2
[ci skip] Readme update
Version bump 2.0.1 [ci skip]
delete of untracked and unused files
Merge pull request #334 from madEng84/stable/2.x.x

Fixed display with clearfix
Removed debug statement, fixed #335