GtkComboBoxText requires gtk >= 2.24.

Seeing as this is only a test program, probably easiest just to disable
this for gtk < 2.24, and rely on devs wanting to use it isntalling a new
enough gtk version.
LOK tiled rendering test: add some debug output.

Change-Id: I0da29204809b6a1de42d5f0fc37705497a060493
Allow setting DrawViewShell PageKind directly.

Currently the only way to change the PageKind is via the UI controls
(i.e. via ExecCtrl) -- however for tiled rendering we want to select
the PageKind directly.

Change-Id: I3a3fa8f8cefaa0e0212832aef4026433fc596263
Render slides by default.

We should probably introduce an API to allow selecting notes instead, however
the default mode is to open whichever view we had open last for a given
document -- whereas for nowwe probably always want to render the slides.

Change-Id: I26540613d1a510f23e5abfc8fee2ad743c180f34
DO NOT MERGE YET: hack soffice_main into LOK.

Change-Id: I86e13192ddb5904afabca38d3a201f17f145de09
LibreOfficeKit: Check for libmerged too.

And avoid some strcat's when at it.

Change-Id: I0c70ee2a1abf0c9e2914f756b06bedc3a16df19b
Fix some CppunitTest_libreofficekit_tiledrendering related problems

Change-Id: Icdcde0af1b3d5744ef2842e4b4d2b85a094ac686
libreofficekit_tiledrendering test: force lock file removal

If the lock file still exists when running this test, LOK will fail
resulting in "documentLoad failed: unknown load failure"
(the actual error is that the lock file dialog cannot be confirmed
 by the user in headless mode, resulting in loading failure, however
 this is then hidden by multiple layers of exception redirection
 in sfx2).

Change-Id: I025ea6187c3d17805f25ab6f756eae9646f2c7c8