polished the contributor.md file a bit

added windows m convenience file
for people without standard vim
updated links in index.html
Merge pull request #129 from albertjan/contributors-update

Contributors update & links in index
rename m to skulpt.py
Merge pull request #131 from bnmnetp/master

rename m to skulpt.py
Add length to reservedWords

fixes #132
Merge pull request #133 from bnmnetp/master

Add length to reservedWords