added .travis.yml
more documentation for MAB2 modules
added Parser and Writer for MAB2 Diskette data
config of .travis.yml
bump version
Merge branch 'master' into devel

Conflicts:
	lib/Catmandu/Importer/MAB2.pm
	lib/MAB2/Parser/Disk.pm
	lib/MAB2/Parser/RAW.pm
	lib/MAB2/Writer/Disk.pm
	lib/MAB2/Writer/RAW.pm
	lib/MAB2/Writer/XML.pm
	t/01-parser.t
	t/02-importer.t
	t/05-writer.t
	t/mab2disk.dat