Migrated to gradle and upgraded jna.
Fixed fieldOrder for remaining Structures.
Extracted Structure field order to constant.
Fixed examples.
Fixed classpath typo.
Nicer message when gradle isn't installed.
Restored JNA license and moved jna back to its own lib dir.
Swicthed to src/main/java and fixed classpath formatting.
Fixed the run.sh jna path.
Fixed kind to src.
Merge pull request #11 from akiellor/gradle-and-upgrade-jna

Upgraded jna to 3.5.2 and switched to Gradle