Added "CheckXXX" target to each submodule.
Added Boost.Expected.
Merge pull request #177 from Fraser999/MAID-533

Added Boost.Expected.
Merge branch 'next' of https://github.com/maidsafe/MaidSafe into next
Merge pull request #175 from Fraser999/MAID-515

Added "CheckXXX" target to each submodule.
Merge branch 'next' of https://github.com/maidsafe/MaidSafe into next
SHA stamp by Jenkins as building correctly