Testing of the context creation

Signed-off-by: Brian McGillion <brian.mcgillion@intel.com>
Allocate memory and free it

Signed-off-by: Brian McGillion <brian.mcgillion@intel.com>
Updated the client app

Signed-off-by: Brian McGillion <brian.mcgillion@intel.com>
Merge pull request #5 from Open-TEE/test_context

Test context