Version 2.1.3 released

This release fixes a few bugs annoying bugs. Thanks to everyone who contributed!

Also user @utopszkij has created an image manager for SCEditor.

Full changelog:

• Fixed issue with monocons showing underline if text-decoration is set.
  – Thanks to @q2apro for reporting.
• Fixed bug with indent & outdent not being enabled.
  – Thanks to @mbiddle for reporting.
• Improved autoExpand throttling and better handle rounding.
• Added defult with to empty table cells to make them easier to edit.
  – Thanks to @ata81 for fixing
• Fixed bug with FF sometimes throwing error when selection changes.
  – Thanks to @Sesquipedalian for fixing
• Updated left and right align buttons to show as active by default in Edge and IE to match Chrome & Firefox behaviour.
  – Thanks to @chrisbetson for reporting.
• Fixed bug with [rtl] and [ltr] BBCodes sometimes adding new lines.
• Updated default content style to keep code as rtl in ltr mode.
  – Thanks to @abetis for fixing.
• Fixed bug with HTML format adding extra divs to the end of the output.
  – Thanks to @pnowy for reporting and @abetis for fixing.