[beacon] Comments.
Comments. 
Fixed all testbenches again. Renaming ports. 
Reset removed from LTC2351 module. 
Reset removed. 
Comments. 
Timestamp taker in extra entity.
Timestamp taker tested. 
Timestamp taker tested with Goertzel Simulation. 
[beacon] Timestamp added to toplevel. 
[beacon] Path update.
[beacon] Readback of IR TX settings. 
[beacon] Docu