Add a tagger server main method.
Add a 'cascade' and 'extractors' route.
Improve GET message.
Rename edu.knowitall package to org.allenai.
Use Segement instead of regex in spray route.
Actually use specified port.
Merge remote-tracking branch 'origin/server' into test

Conflicts:
	cli/build.sbt
Factor server code into separate project.
Add gitignore.
Start on 0.0.0.0.
Add cascade/level route to taggers.
Merge pull request #68 from allenai/server

Add a main method to start a tagger as an extraction server.
Use a logging framework.
Select last level by default.
Adding missing extraction to cascade file, standardizing names for all extractions to end with 'Extraction' instead of 'Extractor'
Reverting inadvertent change in PossessiveAppositiveExtraction rule
Adding 'be' to IsPossessiveextraction output
Merge pull request #72 from allenai/relnounchanges

Relnounchanges
Merge pull request #71 from allenai/selection

Select last level by default.
Fixup.