QNX: Remove unnecessary code

Change-Id: I60dcaca7c441c31c9ca60353f68dfbefe59004e2
Reviewed-by: Mehdi Fekari <mfekari@blackberry.com>
Reviewed-by: Tobias Hunger <tobias.hunger@digia.com>
CorePlugin: s/struct/class/ in newdialog.cpp

Change-Id: Ie13d8506ae8fc402a0ba5f6c5f14d47a95b2376d
Reviewed-by: Tobias Hunger <tobias.hunger@digia.com>
QBS: Remove mostly useless member variable

Change-Id: Ia5696fa2cf91130acb8c89ff95be0fc42adb22bd
Reviewed-by: Tobias Hunger <tobias.hunger@digia.com>
VcsBase: Remove check for existence of ProjectExplorer

The plugin depends on the ProjectExplorer to be there, so there
is no need to explicitly check for it.

Change-Id: I151eb6f4613e3f55cb2376f73b44ada82b320972
Reviewed-by: Tobias Hunger <tobias.hunger@digia.com>
Debugger: Fix mixed+raw disassembly

(gdb) help diass mentions "/r" and "/m" but doesn't give a hint that
the combination is written as "/rm".

Change-Id: I8baf56bd1e3c36ec43945ba0d572575c9e5e7fd5
Reviewed-by: hjk <hjk121@nokiamail.com>