- Unexport Core::Internal::MainWindow and remove its includes.
- Move RssFetcher from Core::Internal to Core.
- Unexport CopyTaskHandler.
- Move TextEditor's completion support and Refactor Overlay
  helper classes from TextEditor::Internal to TextEditor as they
  are exported.
- Move internal BaseTextBlockSelection into private header.
- Unexport TextEditorOverlay as they are not used.

Because executable_path and loader_path are just too inflexible for some
stuff. The rpath is supposed to be set to the Qt Creator app's Contents
folder.
Compiling on 10.4 now requires to enter compatibility mode via
QTC_TIGER_COMPAT env variable or TIGER_COMPAT_MODE qmake variable.

qtLibraryTarget is only defined if used with TEMPLATE=lib, which makes
it fail in pri files that are used for app pro files. The tests still
don't run because of run time linking issues.

Reviewed-by: dt
Task-number: QTCREATORBUG-2947

Acked-By: dt

Use the same code that is used for figuring out a good directory for
adding new files.

Task-Nr: QTCREATORBUG-2682

Conflicts:
	doc/qtcreator.qdoc

I also added a tooltip.

Reviewed-by: Lasse Holmstedt

Also fixes the memory leak in resize code.
cleanup

Reviewed-by: Marco Bubke

Reviewed-by: con

Reviewed-by: Maurice Kalinowski <maurice.kalinowski@nokia.com>

These are useseless place eaters. If needed, they can easily
be added by the user in Qt Designer.

Reviewed-By: ck

These are useseless place eaters. If needed, they can easily
be added by the user in Qt Designer.

Reviewed-By: ck

Task-number: QTCREATORBUG-2705

Fix 722e48c2.

This disables Qt4Project::validParse() and needs to be reverted again

Reviewed-by: Tobias Hunger

This reverts commit b979d9f1.

Remove internal markers from exported headers,
introduce private class for BaseTextDocument.

Reviewed-by: Leandro T. C. Melo <leandro.melo@nokia.com>

Reviewed-by: Jarek Kobus
Acked-by: dt

Fix detection of stash names.

Task-number: QTCREATORBUG-2934

This is needed for multi-architecture gdb.

Reviewed-by: hjk

Do not parse options if empty (when a file was passed to
the core).

Reviewed-by: Thorbjørn <thorbjorn.lindeijer@nokia.com>