Merge pull request #53 from sotty/master

Additional trait documentation update
-Fixing images not loading
-Updating N&N across multiple projects
-Small rules tweaks.
-More N&N updates
-Reverted the Drools logo back to Mr Trout
-N&N and Welcome updates
-More KIE N&N updates
-Added ExecutionControl chapter back in
Fixed broken images
Fixed broken missing image
-Added broken missing image
jbpm-docs: updated exception mgmt chapter
(cherry picked from commit 18e5616f505baca3e34033cd9b8de7fb428e7edf)
Added getting started and install
fix docs avoiding to include a chapter inside another chapter
BZ-1032252 : Fixing docs. Audit viewer is now working.
(cherry picked from commit b29f5658b193fbbb68a9497f605c0a55f7bc7bec)
 - updating docs
BZ-1035259 - Could not find a work item handler for REST, BZ- 1035256 -Could not find a work item handler for WebService
Massive round of copy editing
Merge pull request #54 from UCB-RAC/master

Massive round of copy editing
BZ-991058: Implementing support to access control on rules and processes execution.
BZ-1021886, BZ-1001972 - Moving DeployedUnit, DeploymentUnit, DeploymentService from jbpm-kie-services to kie-internal
(cherry picked from commit 7534dcb59ca5c0db957c1ea3f12a63367aa98f84)
BZ-1034720 - Language property missing from GetTasksByVariousFieldsCommand
(cherry picked from commit 592d327f168d07f60a358cda870e39fd0af017e3)
[DROOLS-361] make incremental compilation to automatically calculate the list of modified files