add debugging to el-get-http-retrieve-callback

Try to find out why it sometimes fails (e.g. see #1240).
Merge pull request #1494 from aspiers/debug-http-retrieval

add debugging to el-get-http-retrieve-callback
Slime has move to github officially from 2014-01-03.
Merge pull request #1503 from xiaohanyu/fix-slime-repo-url

Slime has move to github officially from 2014-01-03.
Add recipe for fiplr.
Add go-errcheck recipe

- go-errcheck-el.rcp emacs interface to the go errcheck program

- go-errcheck.rcp builds the 'errcheck' program
Merge pull request #1505 from dougm/go-errcheck

Add go-errcheck recipe
Add go-eldoc recipe - eldoc plugin for Go
add recipe for vbasense
pretty-mode-plus has been renamed to pretty-mode
Do not remove autoloads
Merge pull request #1506 from dougm/go-eldoc

Add go-eldoc recipe - eldoc plugin for Go
Merge pull request #1508 from aki2o/vbasense

add recipe for vbasense
Merge pull request #1509 from dholm/bugfix/pretty-mode-plus

pretty-mode-plus has been renamed to pretty-mode
Merge pull request #1510 from dholm/bugfix/session

Do not remove autoloads from session
Move to version 5.1, rolling stable release.
Update some contributors information.
Remove features attribute
Add go-oracle recipe
Merge pull request #1504 from mszczepanczyk/fiplr

Add recipe for fiplr.