Extended HostInfo functionality
* HostInfo is now mostly passed-through the AEP
* Agent provides a list of supported types
* Error strings can now be passed back from agent to API
* Add a HostInfo type for Date and Sysctl
* Add the ability to have specific tests for each HostInfo type
base bump
Merge pull request #574 from virgo-agent-toolkit/fixes/luvit_infinite_loop

base bump
fix(pid): pidfile creation has a lock
return an exit code of 1
already running
add blurb to readme
Merge pull request #572 from virgo-agent-toolkit/fixes/pidfile_lock

fix(pid): pidfile creation has a lock
fix the pin for base
bump base
Merge pull request #575 from virgo-agent-toolkit/fixes/pid_t

bump base
bump base
Merge pull request #531 from virgo-agent-toolkit/features/waldo_ohai_parity

Extended HostInfo functionality
Update CHANGELOG
bump base for bump luvit for openssl 1.0.1i
Merge pull request #576 from virgo-agent-toolkit/fixes/base_bump_for_luvit_openssl

bump base for bump luvit for openssl 1.0.1i
fix(pid file): surround fs.readFileSync with pcall

* On error fs.readFileSync calls error()
Merge pull request #577 from virgo-agent-toolkit/fixes/read_pid_file

fix(pid file): surround fs.readFileSync with pcall
add config options to README
feat(mysql): make the dbaas check the default