Converted doc to reST (Sphinx)

doc is now Maven-buildable.
Related to #37
Doc: corrected config file
WebUi migration step 1: make it work once again
WebUI: norm is: methods return strings
Every job instance now has its own log file. Fixes #12

(log centent will be tweaked in ticket #24)
Added a "catch all" security to payloads
Added ping to life to JMX. Fixes #50

Related to #7 - JMX implementation.
Added internal poller that handles stop orders

Prereq for #4 - this poller will be able to handle the life signal
Fixed harmless random errors in engine stop sequence

Signed-off-by: marcanpilami <marsu_pilami@msn.com>
Removed an engine DB connection

This counters the added connection inside the internal poller
Doc: multiple additions, including JMX for #7
POM updates for OSSRH repo compatibility