Simplifies some of the "active tab" checks we're doing

Uses TeamMembers#index instead, to be more RESTful

Merge branch 'master' into non-interactive-aws-install

Conflicts:
	doc/installation.md

Fix merge mess in installation.md

Closes #1237

Signed-off-by: NMartin Bastien <martin.bastien@studiofrenetic.com>

Didn't bother with files in db/, config/, or features/

to content sections in wiki

* dashboard should be in dashboard controller not project index
* projects index removed

* Grit gem updated
* gitolite-client updated
* logger added
* few fixes

Since some conversion tools do commits with an empty commiters email
address gitlab will fail with a 500 error

This gives us Github Flavored Markdown, which is awesome.

The gravatar documentation on implementing the hash specifies that leading
and trailing whitespace must be trimmed and all characters should be forced
to lowercase.
Signed-off-by: NPat Thoyts <patthoyts@users.sourceforge.net>