Pass proxy Ghost interface to Apps

Closes #1478

- Create new proxy.js that exposes createProxy method
- Pass proxy to App activate/install in lieu of Ghost instance
Reduce size of ghost.js by moving related Routing code to their own files
Move server middleware configuration to related file
Set RSS link title to blog title
Allow newline when quotes are used at start of a sentence

closes #974
Merge pull request #1482 from jgable/appProxy

Pass proxy Ghost interface to Apps
Merge pull request #1444 from hswolff/ghostjs-cleanup

Reduce size of server.js, moving code to their related files
Merge pull request #1531 from jamesbloomer/issue-974

Allow newline when quotes are used at start of a sentence
Merge pull request #1524 from jgillich/rss

Set RSS link title to blog title
Remove unneccessary type conversion
Bugfix handle model and collection separately

issue #1533

- replaces templateModel which was a weird hybrid with progressModel and progressCollection
Merge pull request #1540 from jgillich/fix

Remove unneccessary type conversion
Merge pull request #1544 from ErisDS/client-model-fix

Bugfix handle model and collection separately