Implementation #57 : Display commit timestamps in the project overview

Changes to be committed:
	modified:   src/main/resources/static/css/devhub.css
	modified:   src/main/resources/static/less/devhub.less
	modified:   src/main/resources/templates/project-view.ftl
Merge branch 'master' into commit-timestamp

Conflicts:
	src/main/resources/static/css/devhub.css
Merge pull request #58 from JWGmeligMeyling/commit-timestamp

Implementation #57 : Display commit timestamps in the project overview