Pull requets: Introducing indicator metadata

also contains the sql inserts for populating with data from the Metadata spreadsheet: 
https://docs.google.com/spreadsheet/ccc?key=0AoSjej3U9V6fdHJzcWNreF8tVDNXTlpaeXl3Z3h3WWc&usp=drive_web&pli=1#gid=10

I had to change the data types for Text and Translation from varchar(255) to Text, or in other words I added the @Lob annotation 
( and the @Type annotation because of http://www.shredzone.de/cilla/page/299/string-lobs-on-postgresql-with-hibernate-36.html )