remove deprecated code. remove circular dependency on nexus cookbook
remove dependency on nexus cookbook
default ssl_verify to true when working with a nexus server
add artifact_version and artifact_location to provider class

version and location are two separate things, but when using Nexus,
they are usually combined into location.

be less strict on what it means to be from_nexus? and save the correct
values from Chef::Artifact.get_actual_version to the provider instance
docs and a helper method
extract a greater variety of packages
use tar xf and combine most extensions
tons of documentation for methods in the provider
first pass at new deploy flow
add a new fixture to test procs
continue working on deploy flow
delete_previous_versions and set @deploy to the value of force
remove some logging code. flesh out proc_tests fixture
logic changes in manifest_differences?. rename the previous_versions methods
move delete_previous_versions into ruby_block
rework manifest checking logic
first pass on pre_seed action
loads more documentation
readme updates
more documentation and a changelog