(maint) Move all deprecated methods into dedicated section of 00_utils

This commit moves all currently deprecated methods into a newly created
section at the bottom so that we can easily see which methods have not
yet been moved into Pkg libraries.
Merge pull request #329 from haus/maint/master/move_deprecated_methods

(maint) Move all deprecated methods into dedicated section of 00_utils
(CPR-58) Move jenkins utilities into library

This commit goes through and takes all the jenkins based utilities in
00_utils.rake and mvoes them to jenkins.rb or net.rb as appropriate. It
deprecates old functions.