Bump MODULE_VERSION to 5.2.2

Change-Id: Ia101e6e6f0aa4ff113fa9dd702a4ecdd4f335366
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Doc: Fix typo

Change-Id: I4975f634da1b02e90e84f704583e5cabdf277e5a
Reviewed-by: Leena Miettinen <riitta-leena.miettinen@digia.com>
Reviewed-by: Topi Reiniö <topi.reinio@digia.com>
Merge remote-tracking branch 'origin/release' into stable

Change-Id: Icbc8dda64ebc3591a1cf8751ce513ab843d5233f