fixed disable method to only disable navigation

disable only affects navigation, does not destroy any controls
added a new example allowing for extensive testing
Merge branch 'hotfix/1.4.3' into development

Conflicts:
	booklet/jquery.booklet.latest.js
Setting an option value with "true" or "false" now works. Fixes issue #20
updating example html files
updating gitignore
minor cleanup
minor formatting
updating version to 1.4.4, removing old IE check that was causing an error
Merge branch 'release/1.4.4'