Add test case to check application logs page and system logs page

Automation test for MB-487
master data source file with H2 in memory storage connection
information and cassandra data source connection details added.
Merge pull request #36 from Asitha/master-datasource

master data source file with H2 in memory storage connection
Merge pull request #34 from a5anka/MB-487

Add test case to check application logs page and system logs page
Changes to make integration tests work
Merge pull request #37 from ramith/master

Changes to make integration tests work for MB
Enchacements to UI Tests and some fixes to make things work
Merge pull request #38 from ramith/master

Enchacements to UI Tests and some fixes to make things work
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
Add create/remove subscription test cases
master data sources file updated
Adding platform-test module to MB
Adding platform-test module to MB adding common test
Adding platform test common support modules