Finatra 2.0.0.M2

Lots of improvements and enhancements to Finatra v2 in this milestone release.

For a full list of changes, see:
v2.0.0.M1...v2.0.0.M2

Closed issues:

• Issue with POST request #214
• error running example with sbt run: overloaded method value settings with alternatives. #207
• Was the 1.5.3 release retagged? #206
• Finatra 1.5.3 and dependencies at Travis CI #205
• Add an ADOPTERs.md #204
• connect finagle filter to specific controller #203
• Does Finatra support Scala 2.11? #196
• Support multipart PUT requests #194

Merged pull requests:

• Misspelled Word #212 (dgomesbr)
• Corrected some spelling mistakes #210 (schmitch)
• Update README.md #202 (scosenza)
• Add a Gitter chat badge to README.md #201 (gitter-badger)