initial beta version of bigip_monitor_http module
some fixes and cleanup per feedback from Matt Hite
bigip_monitor_http: add support for hardcoded properties
adds receive_disable and time_until_up and some bugfixes
improve changed result for race conditions
do not overwrite properties with defaults
improve logic in setting parameters in check mode (monitor might not exist)
add missing defaults
update version added and add examples
clean up comments to show monitor specific code
Fix typo
fixes #4954 plus updates for gcutil/v1beta16 tests
Add missing exception name
Fix pep8 E701 errors in bigip_monitor_http
Add bigip_monitor_http to changelog
Fix all the things, disable check mode for now