refactoring
renamed output files
improved output messages
changed graph font
added POLL_WAIT parameter
added sample file "2014-05-08_1505_test-replication_1000_50.dat"
added sample file "2014-05-08_1505_test-replication_1000_50.png"
added sample file "2014-05-08_1514_test-replication_10000_5.dat"
added sample file "2014-05-08_1514_test-replication_10000_5.png"
added sample file "2014-05-08_1521_test-replication_50000_1.dat"
added sample file "2014-05-08_1521_test-replication_50000_1.png"
added sample file "2014-05-08_1530_test-replication_50000_0.dat"
added sample file "2014-05-08_1530_test-replication_50000_0.png"
added sample file "2014-05-08_1547_test-replication_50000_1.dat"
added sample file "2014-05-08_1547_test-replication_50000_1.png"
added sample file "2014-05-08_1557_test-replication_10000_5.dat"
added sample file "2014-05-08_1557_test-replication_10000_5.png"
added sample file "2014-05-08_1607_test-replication_50000_1.dat"
added sample file "2014-05-08_1607_test-replication_50000_1.png"
added sample file "2014-05-08_1617_test-replication_50000_1.dat"