add linphone as a device templete

[piajesse]

Here is the current checklist:

• /app/linphone/releases/android/RELEASE needs a script that grabs a variable
• get linphone to show up in the menu as a device

Also need to add the following options as configurable
Global:

• proxy location and other info
• version_check_url_root
• transient_provisioning 0 is on, 1 is off

Local:

• minium buffer, audio_jitt_comp needs set as well if larger then 60ms

  <section name="rtp" overwrite="true">
    <entry name="jitter_buffer_min_size" overwrite="true">120</entry>
    <entry name="audio_jitt_comp" overwrite="true">120</entry>
  </section>