Rename plugins/qt4projectmanager to qmakeprojectmanager

This finally renames the plugin itself.

Change-Id: Ibdf4f4b4e9776c2fdc809e0127f3e1310de44bd1
Reviewed-by: Tobias Hunger <tobias.hunger@digia.com>
Qnx: BlackBerryConfiguration creates single toolchain and debugger

BlackBerryConfiguration creates single toolchain and debugger for Simulator
and Device.

The names of the created qtVersion, toolChain, debugger, kit in
BlackBerryConfiguration are simplified/unified.

Task-number: QTCREATORBUG-10461
Change-Id: I61bfef30a882b562ab03bd71aa4c3667a63343b8
Reviewed-by: Mehdi Fekari <mfekari@blackberry.com>
Reviewed-by: Tobias Hunger <tobias.hunger@digia.com>
Reviewed-by: hjk <hjk121@nokiamail.com>