Only add the commit hash if we are in the develop branch and the .git directory exists
Merge pull request #76 from christeredvartsen/version-fix

Only add commit hash to version string when in the develop branch
Replaced copyright blob at the start of all files with a reference to the LICENSE file. Also removed some phpdoc tags
Merge pull request #77 from christeredvartsen/license-fix

Removed license blobs