Compatibility with GCC 4.6 for lest.hpp

This copies one line from lest_cpp03.hpp to lest.hpp in order to
support GCC 4.6.
Merge pull request #6 from pdewacht/master

Compatibility with GCC 4.6 for lest.hpp
Add destructor to message to support GCC 4.6 (Thanks to Peter De Wachter).
Restore formatting (trailing double spaces).
Update CHANGES.txt
Add missing inline
Add missing inline
Move examples and tests into their own folders
Update Changes
v1.8.0 Update Changes