Patch for HR-203,HR-202,HR-208

Completed tasks for HR-208
  --Define a new case type, "Probation"  
  --Define new case type
  --Define roles
  --Define default timeline for case

Completed tasks for HR-202
 --Define a new case type, "Exiting" 
 --Define roles
 --Define activity types for the case
 --Define default timeline for case
 --Define a custom-data group for the case called "Exiting Data" with field "Provisional Exit Date" (If a format is required, YYYY-MM-DD) 

Completed tasks for HR-203
  --Define a new case type, "Joining"
  --Define roles
  --Define activity types for the case
  --Define a custom-data group for the case called "Joining Data" with field "Provisional Join Date" (If a format is required, YYYY-MM-DD)