Fireplay repos now pointing to mozilla, fix #5
Merge pull request #7 from nicolagreco/url-fixing

Fireplay repos now pointing to mozilla, fix #5
documentation for beginners, fix #3
aims of fireplay are now explained in README, fix #6
Correcting syntax mistakes in documentation
Merge pull request #8 from nicolagreco/documentation

Documentation updates to fix #3 and #6
Keymaps for OSX and Linux, fix #4
Merge pull request #9 from nicolagreco/shortcuts

Keymaps for OSX and Linux, fix #4