Skip gnunet-config-dependent tests when gnunet-config is missing

git-svn-id: https://gnunet.org/svn/gnunet@31035 140774ce-b5e7-0310-ab8b-a85725594a96
-fix paths

git-svn-id: https://gnunet.org/svn/gnunet@31036 140774ce-b5e7-0310-ab8b-a85725594a96
add cfg option to disable caching


git-svn-id: https://gnunet.org/svn/gnunet@31037 140774ce-b5e7-0310-ab8b-a85725594a96
add nick name for cached records


git-svn-id: https://gnunet.org/svn/gnunet@31038 140774ce-b5e7-0310-ab8b-a85725594a96
-reduce stat calls by caching result of GNUNET_OS_installation_get_path

git-svn-id: https://gnunet.org/svn/gnunet@31039 140774ce-b5e7-0310-ab8b-a85725594a96
no cache cfg option


git-svn-id: https://gnunet.org/svn/gnunet@31040 140774ce-b5e7-0310-ab8b-a85725594a96
new test with PKEY shortening check and lookup in shorten zone


git-svn-id: https://gnunet.org/svn/gnunet@31041 140774ce-b5e7-0310-ab8b-a85725594a96
config file


git-svn-id: https://gnunet.org/svn/gnunet@31042 140774ce-b5e7-0310-ab8b-a85725594a96