added support for mqtt user and password
missing file
TSUN-225:
- Add option to disable SSL session cache;
- Never use the cache on the first connection of a tsung session
- Add a parameter to set the SSL session lifetime (10mn by default)
update version to 1.5.2a
set default for username and password to undefined
Merge pull request #79 from sarwarbhuiyan/mqtt-user-and-password

added support for mqtt user and password
Fixed incorrect closing tag in doc example
first version of Tsung embedded http server for realtime monitoring
through http
tsung dashboard enhancements
can't have max request rate
add pmap with limited level of parallelism
mv css and js in template dir
use +A 8 instead of 16 (weird pb when lauching lot's of remote tsung
client on the same target)
fix warnings & title
XMPP domain must be converted to string (TSUN-289)
Merge pull request #80 from tisba/patch-1

Fixed incorrect closing tag in doc example
status page needs bootstrap js
forgot to push new style dir
handle the case where no phases are defined (only static users) (TSUN-292)
xmpp: fix get_online when using a vhost (TSUN-289)