Added a hsql Readme
	new file:   hsql/README
Mash up documentation for installing locanda
	new file:   installer/README
	modified:   installer/hsql/README
Maven build

-Added Maven files for a complete build and deploy in Tomcat 7
-Removed Ant files
-Removed all libs. They are now automatically downloaded by Maven
-SOLR properties are now injected by Maven, not by Spring anymore. Thus,
there is no more need for solr.properties file.