Set BUILDDIR and SOURCEDIR in the build environment.

Reviewed-by: dt

Add a method to expand environment variables in a string.

Reviewed-by: dt

assignValueInDebugger: Pass on WatchData as well, pass
on values as QVariant. Based on that, do more extensive
checks in CDB, preventing assignment of non-PODs.

Locals/Watch editing:
* Disable while running
* Edit pointer values as hex with validation.

CDB: Strip class types off reported pointer values and reformat
the values as short 0x-pointer values, introduce flag to
WatchData::source to do dumper expansion handling.

Windows: recognize int64 as int.

Register handler: Fix accessing uninitialized value.

And make use of it to accept on the command line the patterns:
"filename" "+45", "filename" ":23", "filename:12" and "filename+42"

Task-Nr: QTCREATORBUG-2428

Task-number: QTCREATORBUG-1608

Task-Nr: QTCREATORBUG-2409

Task-number: QTCREATORBUG-2330

Create delegate widgets with validation for bool/int/float
types, using a QVariant-type modelData property.
Also fix register editing to be validated for quint64 values
and editing longer values as hex bigints. Anything else is not
editable.

Reviewed by:  Thomas Hartmann

Reviewed-by: Tobias Hunger

Task-number: QTCREATORBUG-2280

Bump version number due to latest changes.

Reviewed-by: Alessandro Portale

Enable setting breakpoints, and showing the script console even if
the QmlInspector plugin is not loaded.

Reviewed-by: hjk

This allows us to enable/disable the experimental observer, independent
from the core javascript-debugger functionality.

Reviewed-by: Christiaan Janssen

The library not only contains the observer part, but also the javascript
debugger. Reflect this in the namespace.

Some people who tried the 'new Qml app' wizard fell on their backs
and helplessly waved their arms and legs like turtles when they
were confronted with the complexity of the modules deployment page
in the 'New Qml App' wizard.

'org.mydomain.MyQmlModule' is a better hint than
'org.mydomain.MyQmlPlugin'.