Making scala happy

Signed-off-by: Tony Tam <fehguy@gmail.com>
fixed deps, applied patch
Merge branch 'master' of github.com:wordnik/swagger-core
updated version history
added help section
Update ApiListing.scala

Fixed an issue for OSGI runtime: in OSGI you need to invalidate cache each time a new OSGI component is added/removed, b/c some packages may contain updated information.
Merge pull request #262 from ddragosd/master

Add to ApiListing.scala method to invalidate its cache; a must-have in an OSGI environment
Update README.md
fix for #270
added check for required flag
merged from 1.3 branch
merged from 1.3 branch
disabled WADL
disabled WADL
added filter
bumped version
updated readme
updated readme
Update README.md
Changed scala file to java file

issue 285