Merge pull request #4 from JG247/task/add_data

ADD_DATA - Action to add data to the chart
INSTALL_KARMA - Added karma back in as separate branch
Merge pull request #5 from JG247/task/install_karma

INSTALL_KARMA - Added karma back in as separate branch
ADD DATA TEST - Added back data test
Merge pull request #6 from JG247/task/add_data_test

ADD DATA TEST - Added back data test
TESTS REMOVE DATA - added test file to remove data from the data object
Merge pull request #7 from JG247/task/remove_data_test

TESTS REMOVE DATA - added test file to remove data from the data object
TASK_REMOVE_DATA - Added an action to allow the removal of data
Merge pull request #8 from JG247/task/remove_data

TASK_REMOVE_DATA - Added an action to allow the removal of data
TASK_DATA_VISUALISATION - Added pie chart
TASK_DATA_VISUALISATION - Added charts to display data
Merge pull request #9 from JG247/task/data_visualisation

Task/data visualisation
Added button style
TASK_STATUS - Added status messeges
Merge pull request #10 from JG247/task/status

TASK_STATUS - Added status messeges
TASK_ADD_DATA - Adjustment to add remove data methods