Update twitter documentation

- to reflect refactoring in zendframework/ZendService_Twitter#11
Added new Navigation tutorial
Converted from Markdown to RST
Added "application" section

- and moved "rateLimitStatus" below the "application" section
More information on why we are changing the router
Merge branch 'hotfix/twitter-docs' of github.com:weierophinney/zf2-documentation into weierophinney-hotfix/twitter-docs
Minor corrections
Removed FIN
Merge branch 'weierophinney-hotfix/twitter-docs'
Close #718
Minor text change
Fixed one more
rst fail
Standardised navigation view helpers
Merge pull request #722 from Spabby/spabby-add-tutorial-navigation

feature/tutorials.navigations.rst
Merge branch 'hotfix/722' into develop

Forward port #722