Update license comments.
Docstring for codesnippet main api class.
Use CKEDITOR.htmlParser.element#add method rather than adding children manually.
Use class attribute directly rather than relaying on CKEDITOR.htmlParser.element#classes property in upcast function.
Used regexp to recognize language inside class attribute for codesnippet instances.
Code style fixes.
Changed key insertin tab characters into textarea, now it's simply tab. Added hotkey for moving focus to next dialog element (ctrl+dot).
Fixed sample for IE9.
Changed minimal height of a dialog, added special handling in cases of low resolution.
Changed dialog / button / command / widget definition names to meet CKE naming standards.
Added variable isBrowserSupported, it will prevent downloading hljs to be downloaded on unsupported browsers.
ACF adjustment.
Fixed tab replacement for older IE.
Changed char inserted on tab key, from tabulation to 4 spaces.
Fixed logic not to upcast upon invalid pre structure.
Added fix for IE8 consuming new line characters inside codesnippet.
Remove "new" tag from source-dialog plugin.
Added codesnippet plugin sample to index, removed fixed editor height from the sample.
Tabulation string used in codesnippet edit dialog is now configurable. Added minor updates for docstrings.
Removed logic responsible for extra tab handling within textarea in dialog.