Removed -SNAPSHOT

This is to fix the following error: 

[ERROR] Failed to execute goal on project server: Could not resolve dependencies for project com.37coins:server:war:0.1.0-SNAPSHOT: Could not find artifact org.btc4all:webfinger:jar:0.2.0-SNAPSHOT in webfinger (https://raw.github.com/Btc4All/webfinger/mvn-repo/) -> [Help 1]

in this build: 
http://ci.37coins.com:8080/job/continuous_server_mathan/9/console