Fix code styles
Implement pencil tool
Merge pull request #2 from romanromanenko/new_tools

Implement pencil tool
Add images for tools
Make line tool and change tool

Conflicts:
	scripts.js
Merge pull request #3 from romanromanenko/line_tool

Make line tool and change tool
Merge remote-tracking branch 'upstream/master' into icons
Add icons
Merge pull request #4 from romanromanenko/icons

Icons
Make wash