Updated INSTALL file
Fixed #1022: Defect - standard email aliases not created while adding domain alias
Fixed: Wrong download link for new release
Fixed #1019: Bug - Unable to create customer with SQL feature set to disabled
Fixed: Added missing checks in domain_edit interfaces (SQL limit checks)
Fixed: Missing CLEAR method in iMSCP::Config handler
Updated CHANGELOG + small fixes
Merge branch 'stable' into upstream-master

Conflicts:
	CHANGELOG
	configs/debian/imscp.conf
	configs/ubuntu/imscp.conf