Support enable and disable of all repos.

This is useful if you have a large number of repos. The command

subscription-manager repost --enable "*"

enables all repos. Disable works the same way.
Use fnmatch to add wildcard support
improve the wildcard detection
remove the use of any so that we can work on older python versions
Merge pull request #614 from candlepin/bkearney/enable-all

Support enable and disable of all repos.