Task-number: QTCREATORBUG-2318

Reviewed-by: Jarek Kobus
Reviewed-by: hjk

Reviewed-by: Friedemann Kleint
Reviewed-by: hjk

Reviewed-by: Friedemann Kleint

Reviewed-by: Pawel Polanski

Reviewed-by: hjk

Reviewed-by: Tobias Hunger

Reviewed-by: Friedemann Kleint

Reviewed-by: Friedemann Kleint

Reviewed-by: Friedemann Kleint

Doc - Add information about the Open Type Hierarchy function, and the functions for moving to symbol definitions and declarations.

Reviewed-by: Leandro Melo

Task-number: QTCREATORBUG-1893
Reviewed-by: Daniel Molkentin

Reviewed-by: Thomas Hartmann
Reviewed-by: Carsten Owerfeldt

Doc - Add link to practical information and code examples on how to minimize power consumption of Qt apps.

Doc - Add information about the Help mode, adding bookmarks, and detaching the help window. Add screen shots.

Reviewed-by: Christian Kandeler
Reviewed-by: Tobias Hunger

 * Fix all warnings about non-explicit constructors except for those
   in 3rdparty code.

Reviewed-by: Leandro T. C. Melo

Reviewed-by: dt <qtc-committer@nokia.com>
Task-number: QTCREATORBUG-1911

Reviewed-by: Leena Miettinen
(cherry picked from commit 0b99631b)

(cherry picked from commit 1e50be98)

Doc - Pull out instructions for setting up development environments for Maemo and Symbian, to reuse the topics in Nokia Qt SDK documentation (with if defines)