CLOUDSTACK-401: add missing file format in docs.js

(cherry picked from commit 18a4e09d981e65fd497f1d7d2e98ebcca7e16aff)
generateAPI doc: version 4.4.1, year:2014, add back button on main pages

(cherry picked from commit d8ffcdb251624ae9c6ce124f2f3f68e45a341581)
CLOUDSTACK-1632

(cherry picked from commit 482b51476be4cf45aa002ea53fb68fd2c62bc5af)