fix email button mixin conditional comment
Merge pull request #434 from Bubujka/master

Corrected 'view cache' settings. Fixes #430
Merge remote-tracking branch 'upstream/master'
Merge pull request #433 from heracleskasimis/master

Conditional comments at email button mixin
adding session replica support
Alternate fix for #437
Syntax fix
Updating Changelog
making session store dynamic
removing session stores deps
Correcting 'headless' option docs
Merge pull request #440 from coldfire22x/master

adding session replica support
Updating engines to avoid npm warnings
Cleanup
Cleaning up session store implementation
Updating less-middleware to 1.0.3, inc. new API
Implemented boolean default in initial form; fixes #432
Adding docs for session store options
Fixing less-middleware API usage in docs website
Adding support for redis session store