The testFst is a demo using FST package to do the mapping from url strings to ids
add FST mapping
add FST mapping function in org.warcbase.data.urlMappingBuilder
Update urlMapping.java
Update urlMapping.java
Rename urlMapping.java to UriMapping.java
Update and rename urlMappingBuilder.java to UriMappingBuilder.java
Update UriMapping.java
Update UriMapping.java
Update UriMapping.java
Update UriMappingBuilder.java
remove urlMapping
Merge branch 'master' into hadoop

 the commit.