Bluetooth: Add generic Bluetooth dissector

Bluetooth dissector is used to add ability to filter all bluetooth
payload from capture files (there are many transport like:
hci_h4, hci_h1, hci_usb, hci_mon, btle). Also it is used to placeholder for
all data tree used to store additional informations like bd_addrs, names, etc.
Finally it is used to be one point for Bluetooth
Endpoints/Conversation filtering what is enabled now.

Also add Master/Slave Role and Connection Mode tracking.

Change-Id: I67048080fb8ee16fa0f4ec429c1257de81ddd737
Reviewed-on: https://code.wireshark.org/review/5771
Petri-Dish: Michal Labedzki <michal.labedzki@tieto.com>
Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org>
Reviewed-by: Alexis La Goutte <alexis.lagoutte@gmail.com>
Reviewed-by: Michal Labedzki <michal.labedzki@tieto.com>