template renaming and improvements

- `Output` suffix removed from frontend templates
- indentation fixes for admin templates
- adding `formError` class to where they were missing
change table appearance
fix css class list
add package name to dashboard box selection
remove title from buttons
remove unnecessary language variable
template events
remove unnecessary language variables

- `cms.acp.content.revision.user`
- `cms.acp.page.revision.user
Merge pull request #87 from ray176/templateRenaming

template renaming and improvements