Handle target page correctly. Remove static enumerations
of page ids by member variables to handle differing
page setups. Fix page switching logic in library wizard.

Reviewed-by: Tobias Hunger <tobias.hunger@nokia.com>

Task-number: BAUHAUS-396
Reviewed-by: dt

Reviewed-by: Christian Kamm

 * Allow to restrict possible targets in the targetselectionpage
 * Only show the page when it makes sense

Reviewed-by: Friedemann Kleint

Reviewed-by: con

This should allow diffs of the generated file to be more meaningful.

Reviewed-by: Roberto Raggi

Task-number: BAUHAUS-433
Reviewed-by: kkoehne

Fixes: QTCREATORBUG-559

Reviewed-by: kh

After this change and the change we did to 4.7, we are down to ~100ms
time in extensionsInitialized on Windows, should be even more on Linux.

Reviewed-By: Robert Loehning

We need to draw drop indicators for this. I made them
semi transparent white rectangles for now.

Users also can now explicitly set the path to the private
header files by passing "QT_PRIVATE_HEADERS=$PATH" to qmake,
or force qmake to ignore the plugins by passing in an invalid
/empty path.

Reviewed-by: con

... when creating a new project without any Qt version being
available

breakpoints.

Seems to be needed for "GNU gdb (GDB) SUSE (6.8.91.20090930-2.4)"

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>

This fixes a crash when editing a file where e.g. PropertyChanges had
an invalid target property.

Reviewed-by: Lasse Holmstedt

Reviewed-by: Erik Verbruggen

Polish the process dialog.
Task-number: QTCREATORBUG-800

Check on path is too strict (since the documents are already
limited to the ones including the header).
Task-number: QTCREATORBUG-746

Task-number: BAUHAUS-428
Reviewed-by: marco

mechanism for breakpoints.

supresses wiggly lines ...

The warning shows when passing an empty string to the constructor of a
QColor. It has been removed again, but still made it into the alpha, so
let's work it around for now.

Reviewed-by: con