Added StandardDeviationKeyVal operator and test class.
SPOI-1182 -

Added the Filter operator that can filter the key-value pairs based on the given filter. The keys in the KeyValuePair has to be implement a Filterable interface.

Also added required test cases.
Merge branch 'SPOI-1182'
Merge remote-tracking branch 'upstream/master'
Merge branch 'master' of https://github.com/DataTorrent/Malhar
Merge branch 'dt-0.9.3' into my_master
WEB-49 #fixes Dump Tweets in database on node6.morado.com
#MLHR-701 Add one more piechart output and make the application more
configurable
depend on 1.0.1-SNAPSHOT
reverted d3 and moved ejs to deps
added datatorrent apache license template for netbeans useres
address minor warnings.
deploy
Reverting change 58137a7ade780aa611044842a6f211ab1e208b85
Merge pull request #697 from chandnisingh/DBIMP-REV

Reverting change 58137a7ade780aa611044842a6f211ab1e208b85
Merge pull request #679 from siyuanh/visualdata

#MLHR-701 Add piechart output
Added Window Aware interface and implementation to the db
removed window aware part from Transactionale store
Merge pull request #698 from chandnisingh/WIN-AWARE

Window aware output operator
MLHR-743 fixed icons 404 in built version