upgrade tinymce from 4.0.1 to 4.0.20
Explicitly cast value of fetched zIndex to string, because in IE11 this value is an int,
and the test compares it to a string
Merge pull request #360 from plone/pysailor-tinymce-4-0-20

Upgrade tinymce from 4.0.1 to 4.0.20
development bundles of less using "make watch" command

* js/bundles/*_develop.js are now using compiled css
* js/bundles/barceloneta_develop.js was created
* bundles was mispeled in Makefile
* passing pattern when running tests was not working due to changes in
  karma/grunt now its working again
* tests/pattern-select2-test.js was using sinon clock wrong
* update bower dependencies:
   - mockup-core: 1.2.0 -> 1.2.1
   - expect: 0.2.0 -> 0.3.1
   - sinonjs: 1.7.3 -> 1.9.0
* update node dependencies:
   - coveralls: 2.8.0 -> 2.10.0
   - grunt: 0.4.3 -> 0.4.4
   - grunt-contrib-jshint: 0.8.0 -> 0.9.2
   - grunt-contrib-less: 0.10.0 -> 0.11.0
   - grunt-jscs-checker: 0.4.0 -> 0.4.1
   - grunt-karma: 0.8.0 -> 0.8.2
   - karma: 0.12.0 -> 0.12.1
   - karma-coverage: 0.2.0 -> 0.2.1
   - karma-mocha: 0.1.1 -> 0.1.3
   - karma-sauce-launcher: 0.2.0 -> 0.2.4
   - mocha: 1.17.1 -> 1.18.2
Merge pull request #361 from plone/garbas-develop-with-watch

development bundles of less using "make watch" command
Merge branch 'master' into querystring-widget-bugs-226