Make buffer size a shell property
added ltc 4150 test case
Merge pull request #79 from mehlis/test-ltc

added ltc 4150 test case
Merge pull request #77 from authmillenon/shell_property_bufsize

Make buffer size a shell property
add energy mesurement
fix include of crypto
Merge pull request #80 from mehlis/ccn-lite-follow-up-4

Ccn lite follow up 4