Git readme and ignores

git-svn-id: https://svn.mathweb.org/repos/LaTeXML/branches/arXMLiv@3005 2d0c7756-e317-0410-b71c-cbb6040a58f7
 perlcritic on latexmlc and daemon, severity 4 and 5

git-svn-id: https://svn.mathweb.org/repos/LaTeXML/branches/arXMLiv@3006 2d0c7756-e317-0410-b71c-cbb6040a58f7
 binmode moved to :encoding pragma

git-svn-id: https://svn.mathweb.org/repos/LaTeXML/branches/arXMLiv@3007 2d0c7756-e317-0410-b71c-cbb6040a58f7
tiny fix to PlanetMath binding
 test