- Improved icon and text positioning
- Improved readability and some gfx glitches on windows and mac
- Removed drop down functionality from Run/Debug/Build buttons

this way, users can override these commands with arbitrary actions,
some want to map switching between the opened files to these keys

Merge-request: 101
Reviewed-by: hjk <qtc-committer@nokia.com>

this approximates vim's behaviour better than moving forward/back in the navigation history

Merge-request: 101
Reviewed-by: hjk <qtc-committer@nokia.com>

some actions might cause the parent editor to be deleted,
don't crash in that case

Merge-request: 101
Reviewed-by: hjk <qtc-committer@nokia.com>

default mapping:
- :make -> build
- :A -> switch header/source
- :cn -> next issue item
- :cp -> previous issue item

Merge-request: 101
Reviewed-by: hjk <qtc-committer@nokia.com>

There can only be one root element in an XML document, and when we try
to read another one we get a premature end of document error.

 *  Fixes a warning in windows.

We don't support blocks yet, and this way we get rid of quite some
parsing errors (resulting in undefined or wrongly defined types, messing
up the semantic passes).

Reviewed-by: Roberto Raggi

The project selector also allows to select targets.
However, this is not yet used, since the necessary
changes are still being stabilized.

Done-with: con

In the model should be written once at time. The Locker is there to
detect other cases. Many calls are commented out because this is now the
case.

ex commands might depend on current cursor position and might modifiy
it, thus set the editor's text cursor to fakevim's before initiating the
command and use the editor's text cursor afterwards

Merge-request: 101
Reviewed-by: hjk <qtc-committer@nokia.com>

this behaviour seems more natural to me, but it has one draw-back: if an
action associated to a shortcut is not enabled, typing that shortcut won't
leave passing mode

forwarding keys with empty text() does not restrict the matching items, but
updating the list of possible completions resets the currently selected item to
the first one

Task-number: QTCREATORBUG-235