Update angularjs.md

Injecting Store
Update ionic.md
Move sdk snippets to lib/sdk-snippets
Rename sdk and sdk2 snippets for login-widget and login-widget2
Rename sdk and sdk2 snippets to widgetSDK and widgetSDK2 on local vars
Update widget to lock for own usage on login/signup
Last update to get Auth0Lock working in page
Add new lock sdk-snippet section
Update Legacy widget url and local Lock display for signin
Fix old snippet styles
Update lock sdk snippet to properly use lock with LOGIN_WIDGET_URL
More formatting for lock sdk snippet
Update lock sdk snippets
Add new lock sdk-snippets to docs and update to match the new Lock API
Fix requires for sdk-snippets
Add /lock page using auth0/lock/README.md as base
Add deprecation notice for the login widgets pointing to new /lock documentation
Add new section libraries to the sidebar and move Login widget to the bottom as Legacy Widget
Remove unnecessary {popup:true} from Lock config