Add QgsComposerMultiFrame as base class for multi-frame composer content
Add composer html class
Add QWebPage to composer html, link core to webkit
Render method for composer html
Add composer frame class
Add sizeChanged signal for composer item
Scaling for html multi frame
Recalculate content if one of the frames changes size
Test multiple frame html rendering
Extend content to next pages if resize mode is extend
Add signal / slot for adding composer html
Connect signal slots for html dialog
Delete composer frames from list
Fix update of html frames
Remove multi frame once the last frame is deleted
Save html multiframe
Load / save html item and multi frames
Update frame widgets if the multiframe object has changed
Add/Remove command for composer multipage
Improved multiframe command handling
Add command class for multiframe changes
Fix positioning of new frames
Webkit seems to assume a standard dpi of 96
Add html icon to composer
Add composer html test
Test for multiframe html item
Avoid undo commands from multiframe classes
Further changes to undo-mechanism. Currently not working
More multiframe undo improvements
More undo/redo improvements
Move adding the first html frame out of QgsComposerHtml
Avoid crash in html item test
More cleanup changes
Fix html test
Fix merge conflict
Add export macros to classes and fix warning