Listing initiatives

Merged with upstream master. Displays the initiatives (those in fixture data and user-created initiatives typed in on-the-fly). These tests pass:

ok 1 PhantomJS 1.9 - Listing initiatives Successfully
ok 4 PhantomJS 1.9 - Posting an initiative Successfully
ok 5 PhantomJS 1.9 - Posting an initiative With the title missing
ok 6 PhantomJS 1.9 - Posting an initiative With the description missing
ok 7 PhantomJS 1.9 - Supporting an initiative Successfully
ok 9 PhantomJS 1.9 - Testing setup Mocha, Chai and page interaction

these tests fail:

not ok 2 PhantomJS 1.9 - Making a suggestion to an initiative Successfully
not ok 3 PhantomJS 1.9 - Making a suggestion to an initiative "after each" hook
not ok 8 PhantomJS 1.9 - Supporting an initiative "after each" hook