bump version

bump bamboo to 5.10.3

and adjust to latest apache cookbook

bump version to 1.6.0 Breaking changes if you didn't set the database…

… type

because default is now postgres

bump bamboo version to the latest

added postgresql support

loosened up some constrains

removed some version constraints

see airfranceklm#23
and bumped version

Add missing curly brackets

add externald databse option in attributes

cleaning job

bump version