(experimental) make the mysterious borders around land/hats/etc that appear on zoom vanish note: not applied to everything yet note: I'll probably merge the two functions that do the same thing (one for 1darray, one for 2darray representation of pixels) into a single function

partial merge of the webgl branch This commit contains the new pas2c conversion tool, the pascal to c build structure and the opengl2 rendering backend. Patch reviewed by unC0Rr.

Fix checker logon process

changing build files without testing the change is fun, isn't it? especially for trivial things that would take less than 10 seconds to test :p

Make poison damage possibly variable (might as well since effects is a count). Scripts might find it handy.

Add check for gear kind of hedgehog on invulnerability effect. This probably fixes bug #766, is similar to change in previous r2a1483d91977 and was introduced by r7d925e82e572