QLocale: Report textDirection() by looking to the locale script

Change-Id: Ic562b0301271ba414d5d3ff75a308d84bd288f56
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Remove unused header file.

As Thomas Senyk found out, the compose input context
plugin had a redundant include for the X11 keysym header file.

Change-Id: Iad603b545803867d02d915acffe27991bb0b7ee4
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Fix typos in QBBSystemLocaleData

Change-Id: Ic893cdf4a274af660fae7f39011851318f0d244b
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@digia.com>
Publish qEnvironmentVariableIs{Set,Empty}()

Change-Id: I81b960495c206024b4124cebf88b48b0c0d73619
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>