Added test automation voland service

The command line tool ta_voland_service implements
com.nokia.voland and com.nokia.ta_voland interfaces
on D-Bus system bus for use with test automation.
Add .gitignore file
Unit tests for cellular network time handling
Update test definition file

Move tests.xml to test directory, add automatic time update
related unit tests, remove obsolete tests.
Add tests.pro file to tests directory

Test setup changes: test.xml is installed to directory
/opt/tests/timed-tests/test-definition.
Add top level pro file

Rename src/root.pro to src/src.pro for a smoother build setup.
Clarify simulated user actions vs. normal alarm stack management

Apply "voland_autoreply_" prefix for user action functionality.
Normalize naming of voland stack management functions

Common "voland_stack_" prefix used for all functions.
Voland dbus helpers can be static
Clarify voland dbus parser helper functions

Now uses common prefix "voland_parse_" for function names.

Documented the dbus message format the parsers expect to see.
Helper script for unfreezing timed alarms

Simulates "system startup ready" signaling timed excepts to see.
Added a README file for ta_voland_service
Install alarms_unfreeze script too
Moved src/tests/ta_voland_service to tests/ta_voland_service
Merge pull request #8 from pgerdt/nitz_unit_tests

Automatic time update/NITZ unit tests
Initial system tests: set and cancel event with actions
Merge pull request #9 from pgerdt/basic_event_tests

Initial system tests: set and cancel event with actions
Add system test for replacing an event
Update system tests for adding and canceling events

Use macro WAITFOR to make the tests faster and more reliable.
Align function naming.
Merge pull request #7 from spiiroin/ta_voland_service

Added test automation voland service