Squashed commit of the following:

commit 73c41ab5e4792caaf3ef359dca945dfb9524989b
Author: Prerna Manaktala <prerna@datatorrent.com>
Date:   Thu Oct 2 18:39:18 2014 -0700

    Added numbers for benchmark tests

commit ba5a1cac435c502736701b404084a33c9a594d75
Author: Prerna Manaktala <prerna@datatorrent.com>
Date:   Thu Oct 2 16:28:40 2014 -0700

    Few errors corrected

commit 6fa8b2ba5b277088b472643fe8c53cebc6198cb3
Author: Prerna Manaktala <prerna@datatorrent.com>
Date:   Thu Oct 2 15:58:11 2014 -0700

    commit for adding comments and copywrite messages

commit 72e2752ed8cf647eb6e09dfccdbca5c9429113d4
Author: Prerna Manaktala <prerna@datatorrent.com>
Date:   Thu Oct 2 11:09:20 2014 -0700

    Changed to testbench app

commit a400781d7ffc22cc61d18e07c272084d05d9342f
Author: Prerna Manaktala <prerna@datatorrent.com>
Date:   Thu Oct 2 10:30:51 2014 -0700

    benchmark apps improved to take default values

commit b08837ceb1939aba20a64bbe89d263a5941132a3
Author: Prerna Manaktala <prerna@datatorrent.com>
Date:   Wed Oct 1 22:29:33 2014 -0700

    changes added for benchmark tests

commit 8185bd51976c9bb1cf6464e2471e0753f12b314d
Author: Prerna Manaktala <prerna@datatorrent.com>
Date:   Wed Oct 1 11:59:38 2014 -0700

    commit for benchmark test folders

commit b04e897cc27438b0b49c99ce3bf0474b6a3101c5
Author: Prerna Manaktala <prerna@datatorrent.com>
Date:   Wed Oct 1 10:28:47 2014 -0700

    added some input values in benchmark apps

commit f14b7bd0929ed06be2dd57627f3da46419247078
Author: Prerna Manaktala <prerna@datatorrent.com>
Date:   Tue Sep 30 15:43:52 2014 -0700

    commit for benchmark tests

commit 98f35105e0a3922d2d11df648934ce705ec2a41d
Author: Prerna Manaktala <prerna@datatorrent.com>
Date:   Sun Sep 28 16:50:27 2014 -0700

    code for benchmarking apps

commit 424373b2e8f0ece4058a5f970bfc4c8976401096
Author: Prerna Manaktala <prerna@datatorrent.com>
Date:   Fri Sep 26 15:21:55 2014 -0700

    Commit seedeventgenerator benchmark

commit e3cf0a971418154f0112a4f1e28bf91549776691
Author: Prerna Manaktala <prerna@datatorrent.com>
Date:   Fri Sep 26 15:13:27 2014 -0700

    created categories inside benchmark

commit e8adbecba8d6acb04019d5bece666008b41497d3
Author: Prerna Manaktala <prerna@datatorrent.com>
Date:   Fri Sep 26 11:26:51 2014 -0700

    commit for DevNullCounterBenchmark
removing conflicts for merge
Merge branch 'dt-dev' of github.com:DataTorrent/Malhar into mlhr-SPOI-3240

Conflicts:
	benchmark/src/main/java/com/datatorrent/benchmark/HDFS/HDFSBothInputOutputOperatorsBenchmark.java
	benchmark/src/main/java/com/datatorrent/benchmark/HDFS/HDFSByteOutputOperator.java
	benchmark/src/main/java/com/datatorrent/benchmark/HDFS/HDFSOutputOperatorBenchmark.java
commit after putting hdfs benchmark operators in fs directory
renamed folders to lower case
 * Fixed bug with Memsql operator for the case when begin window is not called. By making
the currentWindowId remembered by the operator non-transient
MLHR-1538 #comment starting the server in the test
MLHR-1538 #comment fixed the test case to test the running of application from end to end
changed the maven dependency to use classifier inplace of type for including test jar
Dynamic port assignment for the server
removed unsed imports
Merge pull request #1151 from gauravgopi123/MLHR-1538

Mlhr 1538
Fix warning and naming.
setter for discover time
caching the current block reader being read
undo caching of block metadata
added a method to create block metadatas of a different types
renaming folders did not show up in cluster
changed package names in test and changed license from 2013 to 2014
added more parameters in dt-site-testbench.xml,added tests for testbench benchmark applications.
added application annotation to few benchmark files.