1.2.0 / 24.02.2019

Some goodness from pull-requests.

• Fixed extra blank lines when processing many files (by @panczarny).
• Added --recursive option to process folders recursevely with option -f (by @dartess).
• Added removeAttributesBySelector plugin to remove elements matching a css selector (by @bmease).
• Added removeOffCanvasPaths plugin to remove elements outside of the viewbox (by @JoshyPHP).
• removeAttrs plugin: added preserveCurrentColor color (by @roblevintennis) and 3rd optional filter for a value (by @Herman-Freund).
• Added reusePaths plugin to replace duplicated elements with link (by @jhowcrof).
• Added support of comma-separated plugins list in --disable and --enable options (by @jmwebservices).
• Added option to preserve IDs based on prefix in cleanupIDs plugin (by @bkotzz).
• Replaced colors dependency with chalk (by @xPaw).