draft defaultLoadSystem method
manpage  pedantry

-"Uses" is better than "utilizes" here since the dependency solver is
 used for its intended purpose.
-Fix ungrammatical "packages are needed to be installed".
-Replace vague "according to".
-Add missing definite article.
-Add missing indefinite article.
-Replace similie with concrete language.
-Remove "eventuallly" since the intended reading is "possibly". In
 English, "eventually" means "inevitably".
-Fix position of "also" in sentence.
-Add missing definite article.
Support custom table entry formats
Add convenience classes Out::ProgressBar and Out::Error
Cleanup ZypperCommand
Add source-download command (fate#313445)
BuildRequire libzypp-9.33.0
changes 1.6.301