Added OSGI example for custom dwr servlet instance.

This example is covered by the dotCMS-Contributor-Agreement, which I signed 8/9/2013.

Nathan I. Keiter
Merge branch 'master-2.5-dwr-example' of https://github.com/nkeiter/dotCMS into master-2.5-dwr-example

Conflicts:
	docs/examples/osgi/com.dotcms.custom.dwr/src/com/dotmarketing/osgi/custom/dwr/ajax/CustomDWRAjax.java
	docs/examples/osgi/com.dotcms.custom.dwr/src/com/dotmarketing/osgi/custom/dwr/osgi/Activator.java
Added OSGI example for custom dwr servlet instance.

This example is covered by the dotCMS-Contributor-Agreement, which I signed 8/9/2013.

Nathan I. Keiter