* Update the Qt name when entering the path to qmake via the text edit.
   Behaviour matches what used to happen when selecting qmake via
   the file browser now.

Task-number: QTCREATORBUG-2145

Do not save Qt versions without a qmake set. Makes no sense to keep
those.

Reviewed-by: Alessandro Portale

Reviewed-by: Jens Bache-Wiig

Some categories do not have icons yet, unfortunately.

Prevents flicker when clicking the parent settings dialog.

Detect SDKs before VC installations. Add static list of installations
initialized on demand. List SDKs and VC with platforms settings
depending on Qt-version. Detect installations properly, checking
existence of setup scripts. Handle delayed shell variable expansion used
by SDK setup scripts. Tested with SDK 6.1 onwards (32bit/64bit).
Reviewed-by: Daniel Molkentin <daniel.molkentin@nokia.com>

 * kh1 says there is no such thing as there is no technical
   destinction between Maemo devices and the Maemo emulator.

Reviewed-by: kh1

  ... in Qt Options page.

 * Ease cross device development by introducing 'targets' which
   group build- and runsettings that are valid for this one target

 Most of the kudos for the code review go to dt. Con, thorbjorn,
 ckandler and others did also review parts of this patch.

Reviewed-by: dt

QString: Use QChar where appropriate.

doing it in 1.3 as well to avoid possible later conflicts

Instead note that it is invalid if trying to build and on the projects
mode pane.

Task-Nr: QTCREATORBUG-459

Reviewed-by: thorbjorn

  * Use id() for methods returning a string used to represent
    some type of object.
  * Use displayName() for strings that are meant to be user
    visible.
  * Quieten some warnings while touching the files anyway.
  * Move Factories to their products in the plugins where that
    was not done before.

Reviewed-by: dt

 * Make sure all non-empty source files found below ./src have
   a copyright header.

Reviewed-by: con

Reviewed-by: Roberto Raggi

The only part that is not done if not on Windows (or explicitly
specified) is the adding of the preference pane.

Move the API to the progress manager.
Added a first Mac implementation, other
platforms are pending.

Separate category and trCategory and introduce sorting characters
to the categories. Same for id/name.

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

Reviewed-by: Robert Loehning

Reviewed-by: dt <qtc-committer@nokia.com>

Users can specify a S60 SDK root for Qt for Symbian versions
now.

Use "Carbide Directory" instead, because that's what it is.

After installation on Windows, the default Qt in PATH is invalid, adding
a new version now automatically makes that one also the default.

Also move Designer::Internal::FormWindowEditor ->
Designer::FormWindowEditor.

Reviewed-by: TrustMe

Rationale: The concept of a "Qt Dir" is dead ever since Qt can be
installed. Specifying the qmake location otoh makes it possible to
unambigously detect all parts of a Qt installation.