Rename TokenService methods

Adopt more generic names that don't imply how the service will be implemented,
specially that tokens should be deleted.

As discussed in #12.
Merge pull request #46 from fernandoacorreia/rename-token-methods

Rename TokenService methods
Merge pull request #44 from akkie/master

Capitalize log messages
Fix typo
Merge pull request #48 from fernandoacorreia/fix-typo

Fix typo
Prevent aborting when there's nothing to commit

Also add debugging information.
Merge pull request #50 from fernandoacorreia/debug-build

Prevent aborting when there's nothing to commit
Travis CI: build with sbt
Merge pull request #51 from fernandoacorreia/use-sbt

Build with sbt
Remove verbose flag from sbt
Merge pull request #52 from fernandoacorreia/fix-sbt

Remove verbose flag from sbt
Build with sbt
Merge pull request #53 from fernandoacorreia/ci-build

Build with sbt
Default fallbacks should be media type-aware
Merge pull request #28 from fernandoacorreia/default-fallbacks

Default fallbacks should be media type-aware
Fail build if there are warnings
Merge pull request #54 from fernandoacorreia/no-warnings

Fail build if there are warnings
Prevent CI build from hanging on git log
Merge pull request #55 from fernandoacorreia/no-page

Prevent CI build from hanging on git log
Remove redundant Json.toJson call and unneeded imports