Instead of relying on magic in setFocus(TabFocusReason) use selectAll()

Task-number: QTCREATORBUG-369

Use QGridLayout to align header label and QStackedLayout for the pages
(in code, as it is not available in Designer).
Derive new class FilterLineEdit for filter widgets based on a modified
version of FancyLineEdit and use that in settings.
Rubber-stamped-by: con <qtc-committer@nokia.com>

- Introduce project directory and "use" flag to file manager, use that
  in new item dialog
- Add configuration under Project settings, rename it to "General"
- Make wizards create project names as "untitled1.."
- Remove modules page from Qt application wizards (parametrizable)
- Give Utils::ProjectIntroPage a "Set as default location" toggle.
- Introduce wizard dialog base classes for handling that.
- Introduce notion of "last visited directory to file manager" for
  open and non-project wizards, route open through file manager.
- Clean out QmlAppWizard

Task-number: QTCREATORBUG-333
Rubber-stamped-by: con <qtc-committer@nokia.com>

Null pointer reference in a case where the global namespace is
explicitly specified using ::

Task-number: QTCREATORBUG-351
Review-pending-by: Roberto Raggi

Instead of just flipping same-length strings.
Also fix an incorrect replace position adjustment.

Extract the common root directory and display in separate
line. Use the routine from
the cvs plugin for that, moving it to stringutils.h.

Add a title label to the pages. Use QGroupBoxes throughout.
Extend SavedAction to work with checkable QGroupBoxes. Polish UI files,
use common layout for VCS plugins. Performance: Apply only visited
settings pages. Add search keywords.

Task-number: QTCREATOR-26

Now, the ASTVisitor constructor takes a valid reference to a TranslationUnit.

Task-number: QTCREATORBUG-282

Done with Erik Verbruggen

Done with Erik Verbruggen

Done with Erik Verbruggen

Done with Erik Verbruggen

Ensure the code model receives file names with clean paths ('/')
and fix paths in the relevant places of the code model. Pass on clean
paths from Cpp reference find and display them correctly in the search
window tooltip.

Reviewed-by: Roberto Raggi <roberto.raggi@nokia.com>

...if the directory contains a '-'. Export a function to generate
identifier correctly and use that.

Reviewed-by: con <qtc-committer@nokia.com>
Task-number: QTCREATORBUG-248

Do not use "cmd /c hg" on Windows as this will fail randomly
depending on arguments with blanks, such as "-U 8". Output log
messages about synchronous commands, format author correctly,
label menus correctly.

updateModifiedFiles ckecks the timestamp and reparses all the modified files in the current snapshot.