Changed default CMake output slightly.  Marked some third party CMake variables/options as advanced to avoid them appearing in -L output.  Added CMake check for copyright block in source files.
Bugfix for copyright check and simplified way to exclude files from check.
Minor CMake update.
Updated copyright blocks.
Merge branch 'next' of https://github.com/maidsafe/MaidSafe into next
SHA stamp by Jenkins as building correctly