add load tests. Moved normal tests to functional package.
Merge pull request #40 from abeykoon/add_load_testcases

add load tests. Moved normal tests to functional package.
Carbon memory appender updated.
Merge pull request #41 from Asitha/patch-1

Carbon memory appender updated.
H2 database file for message store and andes context store added to pack.

master-datasources.xml file updated.
utf-8 encoding property added to pom.xml to remove warning in maven build
embedded H2 db updated. (bindings table column routing_key is changed to binding_info)

MessageContentRemovalTask added to log4j properties and zookeeper related entries removed.
Cassandra datareader feature added. This is needed to connect to external Cassandra datasource
master data sources file updated