Work in progress. Debugging installer.

	modified:   ProfileInstaller.php
	modified:   Subprofile.php
Work in progress. Re-implementing standard profile with subprofiles.
 	renamed:    SubProfile.php -> Subprofile.php
 	modified:   Subprofile.php
Merge branch 'subprofiles'
Stubbed out simplified approach, without subprofiles.

	modified:   ProfileInstaller.php
	modified:   README.md
	modified:   examples/baseprofiles/standard2/standard2.info
	modified:   examples/baseprofiles/standard2/standard2.install
Updated ProfileInstaller::install and related code.

 	modified:   ProfileInstaller.php
Proof of concept. Simplified refactored ProfileInstaller.

  This works. Next, remove all the unused cruft and simplify interface.

	modified:   ProfileInstaller.php
	modified:   examples/baseprofiles/standard2/standard2.install
	modified:   examples/baseprofiles/standard2/standard2.profile