[FEATURE] Added extra navigation config options in the default init params
[FEATURE] Added 'skip_submit_confirmation' to assess app overrides
[BUG] Allow formula demo latex to be copied

https://app.asana.com/0/8825147419757/9180841876934
[REFACTOR] Turned on show_intro
[BUG] removed script call to vg (needs to be prod)
[REFACTOR] Made asset requests protocol-less

https://app.asana.com/0/8825147419757/9529925384041
[FEATURE] Added 'top' layout in items assess demo

https://app.asana.com/0/8825147419757/9529925384055
[BUG] Removed unnecessary template attribute in formula demo
[REFACTOR] Misc refactors, bug fixes and enhancements

- Ensure PHP 5.3 is supported
- Refactor assets to use protocol-less syntax
- Add new "top" layout to items assess demo
- Change items inline to use Questions API V2
- Update tabular question examples to use new css classnames
- Security check page doesn't work over SSL
- Support for loading site off a root domain or sub-directory
- Cannot copy LaTeX formula on formula editor demo
Merge remote-tracking branch 'origin/develop' into develop

* origin/develop:
  [BUG] Removed unnecessary template attribute in formula demo

mo