- Fix dependency handling for python3

- Use noun phrase in summary. Generalize description.

- Update to version 4.0.4:
* fixed: only prevent TV polls when a Samsung TV is detected
instead of suppressing all logical addresses. issue #424 #444
- Changes for version 4.0.3:
* fixed:
+ detect debian based distros properly when installing python. closes #314
+ don't filter out broadcast in HandleDeviceVendorCommandWithId(). issue
#309
+ send an active source message when a routing change has been received with
libCEC's address as new route and no active source message has been sent
yet. issue #309 #205 #233
+ vs2015 c++ redistributables
+ fix missing tinfo linking in cec-client. #341
+ set wrong variable. #343 #352
+ LG - don't activate the source when receiving vendor command 0xB. #344
+ LG TV always changing input when turned on #307
+ Fix menu language string. #360
+ correct python lib path for python 2.7+/3+. #356
+ Fix build if tinfo library is not present. #398
+ disable autonomous mode when a Samsung TV is connected. Samsung 2017+ TVs
will power on randomly (Samsung bug). don't poll the TV. #424
+ CRPiCECAdapterMessageQueue::Write() accessed the queue without locking.
#423
+ use sig_atomic_t for shared object between sig handler and main. #425
+ python 3.5+ import. #356
+ TDA995x: Fix logical address readback. #303