Better wiktionary dump parsing

Change-Id: Ie74a9de0286588914f2ca334e191c8384ba73cea
Reviewed-on: https://pirx.atteo.com/gerrit/631
Tested-by: Mr. Jenkins
Reviewed-by: Sławek Piotrowski <sentinel@atteo.com>
Use Java 1.6

Change-Id: Ieb62cde3c6f0494943506c37d5e05e5004235f40
Reviewed-on: https://pirx.atteo.com/gerrit/632
Tested-by: Mr. Jenkins
Reviewed-by: Sławek Piotrowski <sentinel@atteo.com>
Update README

Change-Id: Ie747631bcf32a72be173ecd77efb21128062b3af