auto the lambdas, removing the dependency on functional and improving readability.
Identation of folded expressions.
consistent #includes, some formatting
Uniformise remaining includes, formatting.
Define GravitationalParametre, remove auto from header.
Remove useless .cpp files.
Merge branch 'master' into cleanup
Fix GrassmanTests following review by @pleroy.
Fix Quantities-body following review by @pleroy.
Fix Algebra-body following review by @pleroy.
const& argument.
Merge pull request #20 from eggrobin/cleanup

Cleanup