Reviewed-by: Friedemann Kleint
Reviewed-by: hjk

Reviewed-by: Friedemann Kleint

Reviewed-by: dt

Reviewed-by: Pawel Polanski

Reviewed-by: hjk

Task-number: QTCREATORBUG-2337

Fix a small memory leak spotted by Denis Mingulov.

Task-number: QTCREATORBUG-2338

Task-number: QTCREATORBUG-2334

Reviewed-By: hjk

Task-Nr: QTCREATORBUG-2336

Thanks to dt for noticing this messup!

 * Add an option to the session manager to restore the last
   session on startup of creator.
 * Align close button on session manager dialog with the other
   buttons.
 * Clean up handling of session restoration in the ProjectExplorer:
   Move all the relevant code into determineSessionToRestoreAtStartup,
   since most was there already.

Task-number: QTCREATORBUG-2324

Indicating the file is to be copied as is and not preprocessed.

Task-number: QTCREATORBUG-2344

Task-number: QTCREATORBUG-2315

Also introduce a indirection, modes have now types, edit and debug have
the same type, and editors do have a prefered type of modes instead of a
prefered mode.

That fixes the bug that if the prefered qml editing mode was set to
design, then in switching between qml editors would
- in Edit Mode: stay in edit mode
- in Debug Mode: switch to debug mode

Task-number: QTCREATORBUG-2343

Reviewed-by: Alessandro Portale

Reviewed-by: hjk

'Align continuation lines' should be easier to understand.

Done-with: Friedemann Kleint

Check in advance whether position is still valid. This can be false if
the text has already changed, but the outline hasn't been yet updated.

Make sure all internal hashes for an item are initialized before
inserting it into the tree.

Set the variable to force the RVCT version when building for
Symbian using SBSv2. This is currently hardcoded to version 2.2
since we do not yet support RVCT 4.