TAJO-1133: Add 'bin/tajo version' command

It will print out like this.
```
Tajo 0.9.1-SNAPSHOT
Git https://github.com/ykrips/tajo -r f728413fe36918a9b5e2381af951c05361900099
Compiled by ykrips on 2014-10-30T01:29Z
Compiled with protoc 2.5.0
From source with checksum fa37715d8a9ac5b225f7f1a481d5f12
This command was run using /opt/tajo-0.9.1/tajo-common-0.9.1-SNAPSHOT.jar
```