Merge pull request #15 from jgoguen/master

Platform-specific preferences file location
Some build env tidyup
Added new icon resolutions
Added Ant target to build deb package
Separate unit test and coverage reporting tasks

The reason for this is to minimise the dependencies required to do a
simple build. Cobertura is now only needed if you call the new "coverage"
target.
Split packaging into separate targets
Update package-src target to include all artifacts
Move jarbundler task def into package-osx target

The jar should only be needed when packaging for the MAC.
Only compile before package-jar
Add Debian packaging and PPA support

With this change it's now possible to build a debian package and upload
it to a Launchpad PPA.
Update release notes for 1.10
Update debian packaging for 1.10
Refactored the auto lock featured

This new version only closes the db if UPM is out of focus for the
specified number of minutes.
Updated icons with hi-res versions
Update copyright headers
Prep for 1.11 release
Changes to debian files for 1.11
Add quilt instructions
Update AboutDialog.java

Year update
Merge pull request #16 from javlaks/patch-4

Update copyright year in AboutDialog.java