Added sampling for the map image. Sampling size is set with the SAMPLING_SIZE constant in MapActivity.java. This value has to be set on per image basis and cannot really be dynamically calculated.
Merge branch 'master' of https://github.com/futurice/festapp-android into map_oom_fix
Merge branch 'master' of https://github.com/futurice/festapp-android into map_oom_fix
Merge branch 'master' of https://github.com/futurice/festapp-android into map_oom_fix
Merge branch 'master' of https://github.com/futurice/festapp-android into map_oom_fix
Merge branch 'master' of https://github.com/futurice/festapp-android into map_oom_fix
Merge branch 'master' of https://github.com/futurice/festapp-android into map_oom_fix
Merge pull request #78 from ljleppan/map_oom_fix

Added use of sampling for the map image.