fix version parsing to not sometimes use octal :)

Use the razor transaction logic when installing rpms.

Split install root creation out into command_init().

Initalize empty package sets with a proper empty file list.

Fix bug in razor_create_dir() path component loop.

Fix epoch in rpm and rpmdb importer: epoch is an integer tag.

keep track of both the install and the remove on an update

razor_transaction_satisfy_removes() is now quite broken, as it thinks
it should remove a package if a package it depends on was updated.

move razor_set_diff so it's not in the middle of the transaction code

clean up packages states some

checkpoint, misc rewritage