fixes column search in tl configuration.
changelog.
Merge pull request #559 from opf/fix/search_columns_selection
Adds additional style rule for summary tables
Adds changelog entry
Removes restriction to left table side
Merge pull request #615 from opf/fix/work_package_summary_layout

[FIX] Work package summary layout
Merge remote-tracking branch 'opf/feature/rails3' into fix/timelines_create_wp_button

Conflicts:
	doc/CHANGELOG.md