File Manager for OpenSDI-Manager2

* Initialize .gitignore file
* Add first version of FileBrowser
Templates changes

Split classes and resources in different modules
Junit test for file manager

* List files
* Delete files
* List folders
* Delete folders
Include missed log4j file

Include missed line on properties file
Merge pull request #2 from alediator/templates

Templates: OpenSDI-Manager2
GeoStore wrapper for OpenSDI-Manager2

* Include proxy version code based on Spring service
* Use it in the GeoStore wrapper
Rest Facade changes

* Implement it as a servlet
* Prepare to add customized proxies
* Rename it as rest-facade module
* Add target folders to `.gitignore`
* Changes related in configuration files
Remove old code.

Remove old URLFacade service definition and implementation
Spring MVC dispatcher fix

Enable Spring MVC controllers again.
Minor changes

* Include last `/` on `baseFolder` if is not present
* Add date and time to log message
Merge pull request #3 from alediator/geostore_wrapper

Rest facade and minor changes