Enhances templates

* links: contain the bbcode tag/media provider title
* templates: adds/fixes template events
* bbcodeAdd.tpl: Adds titles for buttons, fixes missing space between icon and attribute title, fixes missing margin for button input fields
* language item: unifies names of error language items
Removes incorrect CSS class
Replaces "Media" with "Medium"
Improves language items
Revert change
Merge branch 'master' of github.com:WoltLab/com.woltlab.wcf.bbcode into enhancement
Fixes language item name
Adapts changes to German language items to English ones
Fix typo in de.xml
Resolved some TODOs
Disable number highlighting in XML highlighter.
Merge pull request #54 from Gravatronics/enhancement

Enhances templates