Changes to the imaze policy module
    
    Module clean up
    
    Make imaze_exec_t a application executable file so that confined users
    can run it in the callers domain
    
    Remove conflicting policy
    
    Type imaze_data_lab_t is a unused type
    
    Add file context specification for imaze pid file
    
    Signed-off-by: Dominick Grift <dominick.grift@gmail.com>