3.1.1

Bug fixes:

• fix info files filters on windows #2542
• fix icon.png files that needed to be included in the app section of recipes, for usage with Navigator #2545
• fix package matching regex for packages with - in them (regex should find either - or _) #2546
• fix detection of used variant variables within jinja2 conditionals #2547
• fix output extraction regex (was picking up whole outputs section, not just one
  output). Also, fix top-level variables not being carried into later outputs. #2549

Contributors:

• @jjhelmus
• @msarahan