Update installation.md
Merge pull request #81 from humhub/develop

Merged current develop into master
Merge pull request #82 from humhub/develop

Changed current version to 0.8.0 (beta)
move commnet getUser as association under relations
fix and clean up comment migration
Design optimizations at CommentWidget for Modals
Fixed ContentContainerController doesn't set currentUser/Space
Fixed space url from dashboard posts
Merge pull request #83 from yiicrew/master

refactor comment module
Updated language files
Removed outdated database files
Fixed removed search strings from results
Fixed markdown output for module info modal
Fixed max execution time problem at installer on slow databases.
Renamed default file folder
Readded lost yiic script
Fixed comment get user
Merge branch 'master' into develop

Conflicts:
	protected/modules_core/comment/views/comment/show.php