Merge pull request #219 from theponti/development

Merge pull request #218 from theponti/master
Merge pull request #220 from theponti/development

Fix syntax for string comparison operator
Merge pull request #222 from theponti/development

Add z-index to .top-left
Add category form partial
Merge pull request #224 from theponti/enhancement/add-category-form-partial

Enhancement/add category form partial