adding multi instance support to redis collector
fixed multi-server unittests
bugfix: instances configkey, add: catch redis connect errors
changed instances syntax, added redis timeout, added unittests for host/port vs instances config regression
Fix for python 2.4
Merge pull request #260 from rtoma/processmemory-selfmon-24

Fix for ProcessMemoryCollector for python 2.4
Merge pull request #257 from rtoma/redis-multi-instance

Multi instance support for RedisCollector