Docs: Clarify Understanding the Konf by talking more about templates and less about selections.

- Fix a spelling mistake in the Navigation.
- Add a `serve` command to the Makefile.
Remove deprecated StudioJS logic.
Tweak the behaviour of `$.fn.resizeImages`.

- Expose the resize host to allow it to be changed for testing.
- Return only images that were modified.
Add mention of Mobify.urlmatch() to the kong reference, including a link to the description of path expressions, also, explanation of the __match and __url keys used by studio.
add the word template to the def for __match
add table of examples, correct spelling
spelling
wrap lines at 80 chars
* add image cache expiry parameter
* change api call to be more JavaScript-eze
* add test
Merge remote-tracking branch 'origin/master' into tweak-resizeImages
Merge pull request #83 from mobify/tweak-resizeImages

Tweak the behaviour of `$.fn.resizeImages`.
Merge remote-tracking branch 'origin/master' into image-cache-expiry
remove an extra "is"
Merge remote-tracking branch 'origin/master' into docs-fixes

Conflicts:
	www/_includes/nav-docs.md
Merge pull request #73 from mobify/docs-fixes

Docs: Clarify Understanding the Konf by talking more about templates and...
* allow cache hours to be a string
* add test for cache hours set with a string
Merge branch 'image-cache-expiry' of github.com:mobify/mobifyjs into image-cache-expiry
Merge pull request #86 from mobify/further-urlmatch-documentation

Further urlmatch documentation
Merge pull request #82 from mobify/remove-studio

Remove deprecated StudioJS logic.