[c9fcff3] set *print-right-margin* in REPL window
[Fix #844] Detect absense of var info

We weren't checking whether the info middleware response actually contained
any information at all.

This also fixes #845.
Merge pull request #846 from vitoshka/pprint2

[c9fcff3] set *print-right-margin* in REPL window
Extend the words of inspiration with a Madonna quote
Recommend the use of lein 2.5+ for cider-jack-in
Track upstream changes to the apropos middleware
Move information about non-canonical installation ways to the wiki
Merge pull request #840 from jauhien/master

Add information about installation on Gentoo to README
Merge pull request #849 from freeduck/master

Extend the words of inspiration with a Madonna quote
Don't show eldoc if you're not in a list
[Fix #713] Retrieve eldoc via a dedicated op
Add apropos to the list of required ops
Strip string properties when doing an eldoc request
[Fix #782] Cache eldoc data to reduce the number of eldoc nREPL queries
Merge branch 'master' into my-track