Updated mediawiki/skins
Project: mediawiki/skins/chameleon  35de6ad43ab3547baacbbcbf80fa4d93ce73cb3a

Add integration test StylesCompileTest; restructure test file layout

* The test takes the Chameleon styles, compiles them and asserts that something
  else than comments (with error messages) are produced
* Integration and unit tests are put in separate directories

Change-Id: I3ff2fc5bcc0830d94ee03664df500bc0c7b7faca