NethVoice: Update FreePBX modules

[Stell0]

FreePBX modules boundled into ns8-nethvoice image are quite outdated.
Update them all to latest version 16 available

[Stell0]

Test case:

• copy asterisk dialplan
• update
• verify that changes doesn't break things
• repeat on various systems

[Stell0]

Update breaks CDR because cdr.conf file was created empty. Fixed in 1.3.4-testing.15