Update content.json

Have updated CTAs for Sharing, Collaborating, Community, Privacy and Open Practices as per bug 1027264. Only part I wasn't sure about was the # of brackets on the bottom. Originally had 5, now has 4.
Update tools.html

resolve bug 1028659
Merge pull request #826 from dattaz/master

Update /tools to point at /gallery
Bug 1023400 - Redirect /teach to /resources
Bug 1029205 - Console.error in i18n angular
Update content.json

Updated kit authors + descriptions under "webit-design" section and added the Mobile Design Kit.
1.1.13
Merge pull request #821 from keyboardkat/patch-1

Update content.json
Merge pull request #831 from keyboardkat/patch-2

Update content.json
1.1.14
Fixes Bug 1018954 - GA event when web lit resource submitted
Merge pull request #827 from adamlofting/bug1018954

Fixes Bug 1018954 - GA event when web lit resource submitted
update webmaker-auth-client

update webmaker-analytics
Merge pull request #833 from adamlofting/bug1029536

update webmaker-auth-client
fix #1029011 appmaker remixurl special case
1.1.15
Bug 1029565 - check username validity in angular create user form