Make PB the default protocol.
Fix other spots where 'http' was remaining.
Remove deprecated features.
Add properities to cache certificiates in `SecurityCreds`
Merge pull request #328 from basho/feature/gh328-remove-deprecated-features

Remove deprecated features

Reviewed-by: javajolt
Merge pull request #352 from basho/feature/bch/cache-certs

Cache Certificates in SecurityCreds

Reviewed-by: seancribbs
Merge pull request #341 from basho/feature/gh341-default-protocol

Default protocol is http

Reviewed-by: javajolt
Add `basic_quorum` and `notfound_ok` request options on get.

I originally set out to investigate the deletedvclock issue in #332,
but discovered that these quorum parameters were missing.
Merge pull request #353 from basho/bugfix/missing-quorum-params

Add basic_quorum and notfound_ok request options on get.

Reviewed-by: javajolt