faq: remove TODOs

Change-Id: I50cf247e465107c23266da4f5380e59220686dd7

user/faq.rst

@@ -44,6 +44,7 @@ accounts are stored on your device, passwords are optional.  However,
 the most significant practical differences are that you have more
 *freedom* and *privacy*.
 
+..
    TODO: expand on this
 
 What do the red/green status circles next to avatars mean?
@@ -164,7 +165,9 @@ different locations depending on the platform.
 Note: audio and video messages are recorded in the local-data in the
 folder: ``sent_data``
 
-TODO: check this ^^^ and add note about file downloads (like images)
+For files, if a file is saved (right click on the file, then Save) it
+will be added to the directory you configured in the application
+settings.
 
 How much bandwidth do I need for calls?
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
@@ -178,13 +181,12 @@ additional 2 Mbps per participant.  So, for example for a conference
 with 10 participants, each participant will need 2 Mbps up & down and
 the host will need 20 Mbps up and down.
 
-Auto-adaptation is done between a minimum of 200 Kbit/s and maximum of
-6 Mbit/s.
+Jami also uses an algorithm to change the consumption depending of the
+quality of the link. So, the bitrate can have a minimum of 200 Kbit/s
+and maximum of 6 Mbit/s.
 
-TODO: ^^^^^^^^^^^^^ What does this last line mean?
-
-TODO: How can SFL afford to give Jami away for free?  How does/will SFL make money off Jami?
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+How can SFL afford to give Jami away for free?  How does/will SFL make money off Jami?
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
 Summary: ethical company, they will make money supporting managed Jami
 solutions for organizations; their main source of income is elsewhere;
@@ -391,11 +393,23 @@ anyone who does not have access to your account.
 
 What is a bootstrap server?
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~
-TODO
+
+A bootstrap server is the entry point of the distributed network.
+To enter in a network, Jami must know one other node.  This is the
+role of the bootstrap. It can be any node in the network, but,
+bootstrap nodes are generally always up and available.
+The default one in Jami is ``bootstrap.jami.net``.
 
 What is a TURN server?  What is STUN?
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-TODO
+
+A TURN server is a relay, and is generally used when two peers can't
+contact to each other due to some firewall restriction, have NAT
+without any opened port, and no IPv6.
+
+A STUN server is only used for SIP accounts, and is generally used to
+get your public IP.  For Jami accounts, the DHT already gives this
+information.
 
 What is DHT proxy?
 ~~~~~~~~~~~~~~~~~~
@@ -692,7 +706,7 @@ encoder=[encoder_name]``, where ``encoder_name`` can be any of
 names for all of Jami's supported encoders).
 
 How can I configure the audio processor?
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
 An audio processor allows Jami to clean up and process your microphone's audio.
 It can remove echo, reduce noise, and equalize your microphone's volume.