Added CreateDate & GPSDateStamp to tag list
Added DateCreated to list of tags
Moved a stream close to finally block
Added the .gitignore file
Added maven pom.xml to build instead of ant
Added shutdownCleanupTask method

In a webapp environment the cleanupTimer was not being shutdown on a redeploy which lead to thread leak warning in Tomcat.  Added this method so that in the app undeploy process the thread could be cancelled.
Bumped version
Merge branch 'matt-changes' into HEAD

Conflicts:
	src/main/java/com/thebuzzmedia/exiftool/ExifTool.java
Merge branch 'matt-changes'

Conflicts:
	src/main/java/com/thebuzzmedia/exiftool/ExifTool.java