Increased webapp test coverage

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Corrected importing datastore submodule context

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Renamed security context

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Updated spring-security version

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spring-security initialized properly.

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Added login and register pages

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Added acceptance module

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Deleted parameters in the logdj properties file.

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Dummy registration service implemented and tested.

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* Added cucumber-jvm as test-framework for acceptance-tests
* Added Step-Definitions to correspond to the steps in the acceptance-tests
* Created Page Objects to correspond to elements in each page
* Added TestRunner that would start the tests for acceptance Tests