Ran clang_format.
Added general Serialise and Parse functions.
Improved maidsafe_error serialisation.
Added Cereal load/save functions for handling RSA keys.
Merge remote-tracking branch 'upstream/next' into next
Fixes for Clang errors.
Merge remote-tracking branch 'origin/next' into MAID-567
Merge remote-tracking branch 'upstream/next' into MAID-567

Conflicts:
	src/maidsafe/common/log.cc
Merge pull request #87 from Fraser999/MAID-567

Maid 567
Merge remote-tracking branch 'upstream/next' into MAID-560
changing CommonError to maidsafe_error