Fix header file include guard.
Defer daemon process creation until after scoreboard creation on initial startup of Apache.
Expose Apache server and status information and adjust how mod_wsgi process status provided.
Added New Relic platform plugin support.
Merge branch 'develop' into feature/server-status

Conflicts:
	src/server/mod_wsgi.c
Convert time value to seconds.
Python 3 fixes for New Relic platform plugin.
Increment version to 4.2.0.
Merge branch 'feature/server-status' into develop
Add release notes for 4.2.0.
Require server metrics to be enabled and change API naming.
Expand to version number triplet in WSGI environ and modules.
Split services into separate sub interpreters so isolated.
Split New Relic platform plugin out into separate Python package called mod_wsgi-metrics.
Reference to mod_wsgi-metrics in README file.
Updates to release notes for 4.1.2.
Merge branch 'release/4.2.0'