Adds Debian/Ubuntu deb install instructions
Add CDNManager, which currently provides an account list
Implements basis of CDN and origin pull support

Supported commands thus far:
* sl cdn list
* sl cdn detail
* sl cdn load
* sl cdn purge
* sl cdn origin-list
* sl cdn origin-add
* sl cdn origin-remove
Resolve rebase conflicts and #pep8probz
CDN Initial tests and fixture
Some pep changes and logics

Add maximum constants
Minor CLI help corrections
Complete CDN tests for 100% coverage (alleged to be passing)
Fix string type checking in Python 3.x
Docblocks, copy-paste doc fix, and OCD placation (basically kidding)
Fixes typo
Merge pull request #288 from sudorandom/ubuntu-debian-install

Adds Debian/Ubuntu deb install instructions
Removes last_calls from SoftLayer.Client
Removes travis-ci irc notifications from the config (until it can exclude forks)
Merge pull request #292 from sudorandom/travis-notify

Removes travis-ci irc notifications from the config
Changes with proxy host and port
Merge branch 'master' into proxy.test
Proxy details accepted

Proxy can be specified as part of the command options.
Merge pull request #289 from briancline/cdn

Implements CDN Manager and CLI support (#47)
Merge pull request #291 from sudorandom/timed-client-fix

Removes last_calls from SoftLayer.Client