Add logging any exception that occurs during task execution
#GG-8605 Version 6.1.8 -> 6.1.9
gg-8022 - ClassNotFoundException fixed
gg-8022 - NPE fixed
gg-8022 - NPE fixes
gg-8022 - fragmentizer is disabled
gg-8022 - skip list max level
gg-8022 - NPE in getClusterMetrics fix
gg-8022 - hang in GGFS
gg-8022 - added ExecutorService to hadoop configuration
#gg-8022 - removed extra cache, fixed discovery
#gg-8022 - minor
#gg-8022 - fix for gg-8625
#gg-8022 - fix for gg-8625
#GG-8626 Configure some objects at instantiation time
#gg-8022-zz
#GG-8626 minor
#GG-8608 Visor does not detect ggfs file system for node started with ggstart-hadoop.sh
Merge branches 'gg-8022' and 'gg-8022-zz' of https://github.com/ggprivate/ggprivate into gg-8022-zz
#gg-8022-zz - minor