Doesn't overwrite config on upgrade.
Fixes a typo in if statement.
Places db_stop at the correct place inside the if statement.
Updates libjitsi (built on jitsi 1aa9bbb29818). Disables the recorder's built-in active speaker detection.
Uses dominant speaker detection when recording.
Adds statistics for upload and download bit rate.
Cleans up background threads related to speech activity more aggressively.
Splits a file into two. Optimizes String construction. Escapes JSON values.
Merge pull request #12 from turint/master

Doesn't overwrite config on upgrade.
Merge remote-tracking branch 'upstream/master'
Fires events outside a synchronized block.
Users a thread pool for the various threads created by SctpConnection instances. Reduces the allocations made by SctpConnection instances. Splits a file into two files.
Updates BouncyCastle to v1.51. Fixes issues with certain DTLS cipher suites. Supports DTLS v1.2.
Implements total and used memory and cpu usage statistics. Adds timestamp to the statistics.
Fixes the number of received bytes calculation in the input stream.
Adds sigar.jar to the .classpath of Eclipse.
Promotes (back) the logging of information about the numbers of conferences, channels. Demotes the logging of the statistics about the sent and received RTCP SR/RR reports because they are too frequent.
Fixes a leak of SCTP connections.
Fixes init script start and stop functions.
Fixes bugs in stop function. Relies on ps only and not on pgrep.