subredditManager.options.applySuffixToMulti, to support foo/bar+baz style pseduo-shortcuts

aka the "@noahjk special" option
Merge pull request #1630 from andytuba/subreddit-shortcut-suffix-option

subredditManager.options.applySuffixToMulti
instead, autosniff a+b/x or check alwaysApplySuffixToMulti
Merge pull request #1632 from andytuba/subreddit-shortcut-suffix-sniff

better rendition of #1630
more generic header text on /r/resissues+enhancement submit wizard
add correct chars in RESUtils.randomHash()
Merge pull request #1633 from hassan-c/master

add correct chars in RESUtils.randomHash()
only hide posts (not buttons/elements) when nsfw filter enabled
remove "... with RES" from submit wizard's "I'm having issues.."

reduce noise, we're already talking about RES,
templates: Reword some bug reporting messages
Update Hogan to 3.0.2
Merge pull request #1515 from mc10/hogan

Update Hogan to 3.0.2