It's more of an ExtJS convention that mandatory parameters won't come
after optional ones.  jQuery for example has many methods that make
use of optional parameters before mandatory ones.

For some reason it was moved (as part of huge commit containing
the new comments system) to be docked at the bottom of tree,
but there wasn't enough room for it.

When --link-template option was used the eg-iframe.html would overwrite
the linked eg-iframe.html file in template instead of creating a new.

The old separate style files - reset, scrollbars, welcome -
are now all imported along with new separate files into viewport.scss
and compiled into one large CSS file with compass.

- Add missing semicolons.
- Add comments to classes without one.
- Remove empty lines at the beginning of functions.
- Remove one accidental global variable.

1.3.5 seems to be the version installed on many systems today.

Don't reference it over the internet.

So comments can be attatched to all of them.

More descriptive.

Also added options parameter to default implementation of
loadInlineExample, just for completeness, as it's passed there
although not used.

Shorter.

The special iframe for Touch 2 is now specified through this option,
but more importantly users of JSDuck can now use inline examples
for their own components by simply writing a custom iframe.html and
linking the needed JS and CSS files from it.

Fix LocalStore#cleanup to not remove the settings stored under
different local-storage-db name.

Simpler api to call from main app.rb

When no --categories option provided, the categories list for
API-docs front page is auto-generated by dividing classes into
categories based on the namespaces they belong to.