[CF-165][] Preferences service: Externalize configurations
  - Externalized application config using typesafe
  - Removed environment classes as they are not applicable anymore after using typesafe
  - Externalized c3p0 configurations
Merge remote-tracking branch 'upstream/master' into cf-165-cf-322-externalize-config
[CF-165][] Preferences service: Externalize configurations
  - Externalized logging configuration
[CF-165/CF-322] Minor indentation fixes
[CF-165][] Preferences service: Externalize configurations
  - Changes to pick up db configurations(c3p0-config.xml) from classpath when external config file is not found.
  - Excluded c3p0-config.xml from uberjar package.
[CF-165][] Preferences service: Externalize configurations
  - Minor change: Changed log level from info to debug l for a log statement
Merge pull request #7 from ChandraAddala/cf-165-cf-322-externalize-config

CF 165/CF 322 externalize config