Add upload-binaries script to upload release artifacts
compare HEAD to origin/master

Doesn't make sense to depend on what the local master branch is on CI.
Use more compatible regexp in upload-binaries script
In upload-binaries, allow multiple release tags

git describe only returns 1 tag. In case we want to release
multiple tags at once for some reason, we switched to using
git show-ref
Update edge binary urls in README
Clean up authentication repo slightly
Clean up target command test

[#66713898]
GetServiceOfferings returns a paginated result which needs to be walked.
Query for the ServiceOfferings by space and label

Rather than page through 100s of offerings, just return the right set of
service offerings based the space and the label.
Merge pull request #107 from fraenkel/createservice

Find the set of service offerings based on the space and label
Make target command clear org and space when necessary

[Finishes #66713898]
When renaming targetted org, update org name in config file

[Finishes #63087464]
Cleanup rename-space test
Backfill tests for rename-space with the currently targeted space

[Finishes #67006638]
Clear session at beginning of auth command

[Finishes #66638776]
Remove unneeded config accessor methods from endpoints repo
Replace AddTrustedCerts w/ SetTrustedCerts
In api command, fail if protocol not specified and ssl cert invalid

[#67048868]
Remove unnecessary logic from fake endpoint repo
Improve 'cf api' and 'cf login' error message around SSL validation errors

[Finishes #67048868]