Add IntelliJ project files to .gitignore
Make gnip the top-level maven project

* Move the gnip stuff into the root
* Update the pom.xml with some additional config
* Delete .iml file
* Avoid depending on internal sun classes (use apache's base64)
Set up new package structure
Move the other VMC topologies into the maven project

* Pull in all the source
* Add the Rome dependency
* Fix non-compiling integer comparison
topologies typo fix
Move text files to maven's resources dir
FIX: Make CraigsListFeedBolt handle tick tuples without crashing