Don't minify in foreignObject in SVG, fixes tdewolff#291

SVG: bugfix where C/S or Q/T commands were converted to straight line…

…s invalidly, fixes tdewolff#284

CSS: explicitly check if URL is a data URI before minifying data URI

Merge branch 'develop'

Add Makefile and install.sh

Update to parse@v2.4.2

Upgrade tdewolff/parse from 2.3.13 to 2.3.14

Update to parse@v2.3.13; minify entities in HTML, XML and SVG; optimi…

…zations to improve ReplaceMultipleWhitespace by 20%--25%

Upgrade github.com/tdewolff/test to v1.0.4

Merge branch 'master' of github.com:tdewolff/minify