Add helm-c-moccur

Closes #1366
Add helm-bibtexkey

https://github.com/kenbeese/helm-bibtexkey
adds gnome-calendar recipe
Merge pull request #1367 from NicolasPetton/master

adds gnome-calendar recipe
Merge pull request #1363 from yasuyk/helm-bibtexkey

Add helm-bibtexkey
Add downplay-mode

/cc @tobias
Add lib to slime recipe

Slime is now looking for bundled external dependencies under lib.
Merge pull request #1368 from eagleflo/patch-1

Add lib to slime recipe
Add lfe-mode

/cc @CamShaft, @rvirding

(See #1356)
Merge pull request #1278 from yasuyk/unipoint

Add unipoint
Merge pull request #1369 from yasuyk/elm-mode

Add elm-mode
Add recipe `flymake-cppcheck`
Merge pull request #1370 from senda-akiha/addrecipe/flymake-cppcheck

Add recipe `flymake-cppcheck`
Merge pull request #1292 from yasuyk/debug-print

Add debug-print
Merge pull request #1332 from yasuyk/point-stack

Add point-stack
Start handling extra package properties such as URL, keywords

For now, we just ensure that the info parsed out of source .el and -pkg.el
files gets preserved in the built packages and archive-contents digest.

See #1233
Re-use existing function for determining path of .entry file
Add ert-modeline

https://github.com/chrisbarrett/ert-modeline
Add asn1-mode

https://github.com/kawabata/asn1-mode
Add wolfram-mode

https://github.com/kawabata/wolfram-mode