new added serices icons. resorted images.
renamed files.
reflecting file rename changes.
misc. edit
updated sections for machines laser-cutter, milling machine, vinlt-cutter.
change animation for 3d-printer and vending machine
fix navbar-brand link for #About.
make pricing table panel smaller.
make pricing table panel price text size smaller.
membership section, join btw hidden.
new services section added.
new on animation completion add classes.
new animation for services and machines sections.
various animation tweaks.