Softwarestack update for openSUSE 13.1

This update fixes the following issues with the softwarestack:
- zypper:
- bnc#854784: Fix groff .TP commands in manpage
- bnc#853167: Fix detailed printing of query matches
- bnc#756195: Embed item cound in summary output
- Fix callback handling if media download error is ignored
- improve computation of unneeded packages
- Updated translations

- libzypp:
- bnc#853065:
+ Cleanup orphaned raw and solv caches
+ Clean packages cache on repo delete
- bnc#852943: Fix disk usage computation for single packages
- bnc#850907: Filter control chars illegal in XML1.0
- bnc#849251: Re-evaluate dropped packages list on upgrade, even if product remains unchanged

Fixed bugs
bnc#756195
zypper translation: plural forms handling in zypper summary is faulty
bnc#849251
zypper: always installs a libyui package seemingly not required by anything
bnc#850907
Package install fails with "Fatal error in Python code occurred [[6]]" (code -1)
bnc#853167
zypper crash with SIGSEGV signal on search action
bnc#854784
Zypper man page creates error when attempting to read it
bnc#853065
zypper rm won't delete caches
bnc#852943
YaST reports "Not enough disk space" when mountpoints are on separate disks
Selected Binaries
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