74_Unifi: - Added Attribute 'devAlias' to rename device names (ID).

[System]

74_Unifi: - Added Attribute 'devAlias' to rename device names (ID).

74_Unifi: - Added Attribute 'devAlias' to rename device names (ID).           - Bugfix: Module not started without restart after first definition.           - Cleaned up a lot of code.           - Added some code for internal use.           - Removed use of hash->{STATE}.View Changes

Source: 74_Unifi: - Added Attribute 'devAlias' to rename device names (ID).