fix config file merge command (bnc #864510)
fix typo
copy also ifroute-* files into installed system
commented the hotfix
version + changes
Merge pull request #156 from yast/bnc864510

fix config file merge command (bnc #864510)

How the old version failed: After stripping the comments, it put all the rest from source_file to a single line and split that by whitespace (for row in $(grep ...)). Of course, that only works if no row contains a space.
missing net config files are not fatal, just log a warning
Merge pull request #157 from yast/bnc860089

copy also ifroute-* files into installed system
add changelog and up version
Moved install.inf related code from save_network to new client.

save_network client used to be run in the end of first stage. However,
installer needs configured network at the beginning of first stage since
first and second stages were merged. Install.inf is one of resources
usable for "automatic" network configuration.
Refactoring: "new" InstInstallInfClient
Refactoring: InstInstallInfClient - splitting methods
Dropped dead code
Refactoring: removed globals from InstInstallInfClient
Turned InstInstallInfClient into singleton using ruby way.
Cleaning the code in InstInstallInfClient.
InstInstallInfClient: made "helpers" private
Refactoring: InstInstallInfClient - splitted CreateOtherNetworkFiles
Use new logger in InstInstallInfClient
Refactoring: Made InstallInf class inner class of InstInstallInfClient