add error_options to perform validation
Add messages when FEELPP_VERBOSE_MAKE enabled
Merge branch 'develop' of github.com:feelpp/feelpp into develop
Uncomment snippets "make" in doc
Merge branch 'develop' of github.com:feelpp/feelpp into develop
Merge branch 'develop' of github.com:feelpp/feelpp into develop
add some keywords to error options
fix #128
Merge branch 'develop' of github.com:feelpp/feelpp into develop