Updated knownIssues to reflect the current state

Modified the logic for clearing a todo item to use delete and backspace. This is required because the spec does not dictate the initial cursor position when a todo item enters into edit mode.
Update for Travis
CodeSchool AngularJS course link correction

Corrected the AngularJS CodeSchool course link
Merge pull request #1008 from krishammons/todomvc-angjularjscodeschoolink

CodeSchool AngularJS course link correction
Add JS/C2JS/Labs menu to TodoMVC
Rearrange entries into JS/C2JS/Labs + RT + Vanilla
Vendor Polymer components
Add vulcanize to build suite
Replace CSS columns with flexbox

Columns are a bloody nightmare with a horribly broken implementation in Chrome.
This allows us to get rid of a bunch of fixed media queries (yay!) and instead
dynamically reflows into columns if the space allows.
Animate height change for applists
Merge pull request #984 from tastejs/tastelang-hackery

TasteLang changes!
Atma.js: update and refactor (closes GH-816)
Merge pull request #1009 from tenbits/atmajs-update

Atma.js: update and refactor (closes GH-816)
Re-add missing labs examples

Fix #1011
Fix Google+ spelling in learn.json
fix twitter flight link
Merge pull request #1012 from moredip/patch-2

fix twitter flight link
Clarify comment guidelines
Update @stephenplusplus' readme avatar
Fixing broken Angular Code School links