1091530 - fix rendering a progress report = None.
1087015 - Capture warnings with the pulp logger
1073065 - Better document task cancellations.

Task cancellations are not guaranteed to be processed before the task is
completed. This commit adds some notes to improve awareness of the race
condition between requesting a cancellation and the task completing.
Add docstrings, unit tests.
1090570 - Fix content commands handling of returned call report.
1091919 - agent load rsa keys on demand.
add gcc to python-billiard BuildRequires
1086278 - Convert upload into a polling command.
updating description for repo create --proxy-host option
adding task status reaper
Merge pull request #926 from beav/billiard-buildreq

add gcc to python-billiard BuildRequires
Move util that uses etree to the directory that isn't run on python 2.4
Clean up files
Merge pull request #917 from pulp/bmbouter-1087015

1087015 - Capture warnings with the pulp logger
1093417 - propagate transport configuration property.
Merge branch 'rbarlow-1073065'
Merge pull request #923 from pulp/jortel-1090570

1090570 - Fix content commands handling of returned call report.
add missing NL.
Merge pull request #922 from pulp/jortel-1091530

1091530 - fix rendering a (None) progress report.
Merge pull request #928 from pulp/skarmark-1086855

1086855  - updating description for repo create --proxy-host option