Merge pull request #29 from andrericos/master

Invoking native methods
[maven-release-plugin] prepare release reconf-parent-2.1.8
[maven-release-plugin] prepare for next development iteration
attempt to fix issue #19

removed DatabaseManager synchronization
new method for external synchronization of props
updating documentation
[maven-release-plugin] prepare release reconf-parent-2.1.9
[maven-release-plugin] prepare for next development iteration
reconf-servlet - development start
reconf-servlet initial implementation
reconf-servlet implementation completed.

pending tasks: fix customization identification logic
improving logic and messages in CfgRepoFactory
updating documentation
fixing NPE in isEqual(coll, coll)
[maven-release-plugin] prepare release reconf-parent-2.1.10
[maven-release-plugin] prepare for next development iteration
reconf-servlet documentation
fixing NPE
[maven-release-plugin] prepare release reconf-parent-2.1.11
[maven-release-plugin] prepare for next development iteration