minor stuff
Merge branch 'master' of https://github.com/ArthurHub/HTML-Renderer
create msbuild script
create build script: multi-target compile, nuget package, archive.
add batch file to run msbuild
* error in html parsing where single tag has closing tag
* fix rendering error for html without root element
change the order of filling background (first) color and drawing background image (second)
* fix br tags handling (not creating empty lines in some cases)
* fix incorrect box width calculation in some cases
Merge branch 'master'