Update README about CONFIG+=no-package option
Re-structured the install instructions
Store users in ACLs as QJsonObjects instead of <ID, type> pairs.

Allows full user data to be requested with AclOperation with expand=1
request parameter.
Handle null values in json correctly
EnginioJsonObject::fromJsonObject(QJsonObject) fixed.

Properties not found from QJsonObject will now be also removed
from EnginioJsonObject.
Query usergroup members with query operation
UsergroupOperation added
Get usergroups of logged in user from QML
Merge enginio-qt branch 'master' into dev

Conflicts:
	src/enginio_client/enginio_client.pro
	src/enginio_plugin/enginio_plugin.pro
	src/enginio_plugin/enginioqmlclient.cpp
	src/enginio_plugin/enginioqmlclient.h
Merge pull request #38 from nierob/mergeMasterToDev

Merge master to dev