Part of program to remove underscores from class names. Checked core and
600+ extensions for occurrences. All uses are in core in core are updated
in this patch. No uses in extensions.
Change-Id: I86b8c6f8702e661554c7b794df09892db94a84d1
* Move some classes to separate files to avoid having a monstrous file with a
dozen classes.
* Remove weird underscores from class names.
* Instead of prefixing members with underscores, specify visibility explicitly.
* Rename c_style -> camelCase per coding conventions.
* Throw exceptions instead of fataling out with trigger_error().
* Remove pointless constant used only once.
Change-Id: Icac23c0f6259c73f5fe07f201b83b9c332ba0469
