Converted TiffDirectoryConstants to an enum,
moved constants in ExifTagConstants out of enum types
(where apparently Java doesn't allow them to ever be found?),
added licences to files where it was left out in previous commits,
and converted some magic numbers to constants.

Jira issue key: SANSELAN-42



git-svn-id: https://svn.apache.org/repos/asf/commons/proper/sanselan/trunk@1241569 13f79535-47bb-0310-9956-ffa450edef68
15 files changed
tree: 5e49f7c65f38000ace46eb60c068df908681244f
  1. src/
  2. LICENSE.txt
  3. NOTICE.txt
  4. pom.xml
  5. README.txt
  6. RELEASE_NOTES