bar.js: check H1 tag existency when switching panel to window
OutputDebugger: output is grouped by stack trace
OutputDebugger: stack is printed in title
examples: added output-debugger example
bar.js: fixed positioning of window
bar.js: do not resize panel when it is a window

It causes problem with minimized/maximized windows.
bar.js: removed dependency on Query.js
removed Query.js (BC break?)
Merge pull request #78 from dg/pull-query

Removed Query.js
bluescreen.phtml: fixed replacing of \xA0 to space [Closes #80]
travis: code-checker checks whole repository
Logger: for each type of error is created own 'error-sent' file [Closes #10]