Tweak the async configuration
- Add riak_async for libevent-exportable functions
- Add export "C" around exported headers for future C++ inclusion
Fix printing of GET message
- Also tweak example output to print CRIT to stderr, too
- Correct newline in cannot connect message
Add riak_get_is_found()
Merge pull request #53 from basho/refactor/bch/tweak-async

Tweak the async and Build Configuration