BlueScreen: collapsePaths is set to /vendor dir
Dumper: resources are dumped with #id
added internal Dumper::encodeString()
whitespace, simplified doc comment
create-phar: added minification for JS & CSS
templates: removed unused class .tracy-alt and table

Conflicts:
	src/Tracy/templates/bar.errors.panel.phtml
added contributing.md
bar.js: closing of windows is detected in beforeunload instead of unload, to make it work in IE
Query.js show() removes created element
travis.yml: tested under PHP & PHP-CGI
tests: typo
No output in production mode
DefaultBarPanel: removed $this from templates

Conflicts:
	src/Tracy/templates/bar.errors.panel.phtml