Webbased repl
Doesn't run twice on Ctrl+Enter anymore

Event was fired on key up and key down. now only on down, I chose down
so I can stop the return from getting added to the code.
Give the editor a fixed size so it scrolls
read builtin modules
don't evaluate import statements.
Bower package management.
check for multiline strings
Merge pull request #124 from david-geo-holmes/bower

Bower package management.
t push origin masterMerge branch 'albertjan-web-repl'
Merge branch 'master' of github.com:bnmnetp/skulpt
don't print in non defining block statements
Operator Overloading
add reference to Geometry Zen site
update dist
Merge pull request #127 from albertjan/web-repl-fix

REPL: don't print in non defining block statements
first commit of contribute
minor tweaks to index
polished the contributor.md file a bit

added windows m convenience file
for people without standard vim
updated links in index.html