Merge branch 'master' of https://git.code.sf.net/p/maxima/code
Demo created from document examples.
Merge branch 'master' of https://git.code.sf.net/p/maxima/code
Added 2 forgotten images.
Removed renamed image files.
Added new version of English solver document.
Merge branch 'master' of https://git.code.sf.net/p/maxima/code
Updates to Solver English document and readme.