Site redesign. Initial idea and content.
Add git-scm.com link and change issue tracker & msysGit links.
Use PNG images instead of SVG.
Switch to classes except for the one needed anchor.

Also remove trailing spaces and extra new lines.
Fix validation errors.
Consistency changes.

* Use https for GitHub links
* Remove unneeded end tags
* Move target attribute at the end
Losslessly compress PNG files.
Convert the thumbnails to 8-bit.

gw1web_thumb.png | Bin 12394 -> 5724 bytes
gw2web_thumb.png | Bin 12514 -> 5748 bytes
gw3web_thumb.png | Bin 17703 -> 7841 bytes
Add a local jquery fallback.
Add a Grunt based solution for local development and deployment.

See README.md for more info.
Add html5shiv.js and respond.js for older browsers.
Clean up CSS.

* add missing vendor prefixed properties
* use hex colors when possible
* be more explicit with the background property
* use proper gradients for all browsers
* remove the unneeded img/header_bg.png
* other minor improvements
Move favicon.ico in root.
Switch to jquery fancybox for the screenshots.
Add image dimensions.
Clean up fonts.
Switch to normalize.css.

It's far more feature-complete than reset.css.
Re-run Grunt

Grunt is basically like GNU make for client-side Javascript. You need
node (http://nodejs.org/) and then install Grunt via 'npm install -g
grunt-cli' and install the required modules with 'npm install'.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Add jquery to packed Javascript

No need to go to Google and fetch jQuery...

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Run Grunt again

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>