bumping express to 3.5
Merge commit '13568c9d7bf508a2cc8ac0a64429ee9a6b24c998'
Merge pull request #630 from NicoleRauch/master

Protected wikis for SoCraTes
Merge commit 'b58aeee2008a4f6bae39b6334a3d195f232edde0'
Merge pull request #631 from leider/master

bumping express to 3.5
updating grunt-mocha-istanbul so that from now on only files inside /lib/ are checked for coverage rules
reducing coverage limit to reflect latest changes in istanbul (introducing root option)
Merge pull request #632 from leider/master

updating grunt-mocha-istanbul
1st steps of renaming wiki pages
group rename script now also renames wiki directory and email prefix
externalized strings for wiki rename functionality
Merge pull request #633 from leider/master

renaming wiki pages possible