Fixes tab order of block heading and buttons
Adapts action menu position
Removes superfluous headings
Revert "Removes superfluous headings"

This reverts commit 696b4c5596e71106fcaa7eed229715d922761fd7.
Removes superfluous headings
Renders menu after heading
Moves delete button into textilizable action block
Improves code layout
Fixes button order
Merge pull request #29 from finnlabs/fix-release3.0/tab_order_4099

fix tab order
Update CHANGELOG.md
Update dependencies due to new versioning convention
Bump version to 3.0.8

Due to our (new) convention plugins inherit their versions from the
OpenProject core. The next stable release of the OpenProject core is
3.0.8.
Update new version
Merge branch 'release/3.0' into dev

Conflicts:
	doc/CHANGELOG.md
Bump version to corresponding core version