Created interface layout.

modified: htmls/main.html
new file: images/interface/001.svg
new file: images/interface/arrow.png
new file: images/interface/bar.png
new file: images/interface/barbl.png
new file: images/interface/barbr.png
new file: images/interface/bartl.png
new file: images/interface/bartr.png
new file: images/interface/button.png
new file: images/interface/button002.png
new file: images/interface/button002a.png
new file: images/interface/bycircle.png
new file: images/interface/bycoords.png
new file: images/interface/bynumber.png
new file: images/interface/bysegment.png
new file: images/interface/circle.png
new file: images/interface/delete.png
new file: images/interface/file.png
new file: images/interface/folder.png
new file: images/interface/hbar.png
new file: images/interface/intersection.png
new file: images/interface/line.png
new file: images/interface/midpoint.png
new file: images/interface/otrezok.png
new file: images/interface/parallel.png
new file: images/interface/perpendicular.png
new file: images/interface/point.png
new file: images/interface/polygon.png
new file: images/interface/ray.png
new file: images/interface/text.png
new file: images/interface/tochka.png
modified: lib/g.js