Eliminate all sys.path hackery introduced in 5688b84.

sys.path hackery only causes pain, suffering and doubled imports.
Fix imports in dnf/yum.

See also 165b86c.
move dnf/yum-cli to dnf/cli.

"yum-cli" is not a legal identifier for module.
Fix imports in dnf/cli.

See also 165b86c.
fix imports within rpmUtils

See also 165b86c.
fix imports of dnf.rpmUtils from other dnf subpackages.

See also 165b86c.
cosmetic: further bin/dnf cleanup.
loading presto metadata through hawkey.
Merge remote-tracking branch 'zpavlas/master'
cleanup: remove YumBase.doConfigSetup.
fix trailing whitespace in several large files.
get rid of yum-updatesd.

not supported by dnf in its current form and being reworked in the master
yum branch.
Remove depsolve.py.

Ends the strange situation of YumBase being derived from Depsolve.
Remove dnf/rpmUtils/updates.py.

hawkey handles all that.
kill trailing whitespace in rpmtrans.py
remove deprecated kwargs for _getConfig() in yum/__init__.py
logging: have two separate logfiles, for transactions and for everything else.
logging: the main log file knows everything.
logging: logfiles know everything even if the console stays silent.
Bump version: 0.2.6