Re-add exports to the top-level. Closes #193.
Add RiakLink to top-level exports and fix pep8 problems.
Fix pyflakes warning in util.py about redefinition of 'getter' method.
Merge pull request #198 from basho/sdc-export-toplevels

Re-add exports to the top-level. Closes #193.
Use UserWarning since this is not Python stdlib code.
Merge pull request #199 from basho/sdc-fix-redef-warning

Fix pyflakes warning in util.py about redefinition of 'getter' method.
Don't silently drop the port option, instead use it for the default protocol port. Closes #194.
Merge pull request #194 from basho/gh194-port-deprecation

port argument to RiakClient is "silently" ignored
add bucket property clearing.
updates for comments.
Merge pull request #200 from basho/pevm-clear-props

Allow clearing of bucket properties.
Merge branch 'master' into pevm-unittest-determinism
grab bucket property deletion
clearing all properties now, some additional enhancements