Implemented acceptance test for use case 1

Details
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- It creates an acount as guru and key contact
- Logs on
- Asserts information on the profile page

n.b. This needs to be improved in parallel to
the implementation

Ticket
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closed #28
Merge pull request #46 from kabexnuf/uc1-createAccount

Implemented acceptance test for UC1 Create Account
Created TaskController and added Create task link to the nav bar

Details
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Several additional improvements as well:
1- Created acceptance test, controller unit test and view unit tests
regarding with UC2
2- Used spring Jdbc transaction aware proxy wrappers while passing
DataSource for creating a connection
3- Reused test conntents and helpers created in the datastore inside
of acceptance module
4- Conflicts resolved for slf4j-api-1.5.6. Collected logging related
adapter libraries in the logging module so that dependant modules
can share the same configuration.
5- Some common dependancies managed in the parent pom.xml

Ticket
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closed #35 closed #39
Merge pull request #47 from kabexnuf/uc1-createAccount

Created TaskController and added Create task link to the nav bar
Basic functionality provided for creating tasks

Details
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- A few fields needs to be handled in the controller but
it provides the basic functionality

Ticket
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closes #40 #37 #36
Merge pull request #48 from kabexnuf/uc3-createTask

Basic functionality provided for creating tasks