* Remove <installfile> and <uninstallfile> tags in the component manifest (dropped at 3.0)
* Packages now support the <scriptfile> and <updateserver> tag
* In ```field``` the attribute ```class``` now support list of css classes  ```class="btn-group .blue .bigger">```
* Add more inline documentation
Merge branch 'master' of https://github.com/cedricwalter/joomla-xsd