layout_perl support (local::lib)
Merge pull request #110 from halkeye/layout_perl

layout_perl support (local::lib)
Adds man doc for layout_perl and reorder layouts alphabetically
Refactor layout_perl a bit. Supports nested dirs now.
Move the stdlib into a .sh file to benefit from syntax coloring
LICENSE update
typo: informations -> information
Fix error in manpage

To start a line with '.' in manpage it should be preceded with the
empty space escape sequence '\&'. Fix this in the direnv manpage
Merge pull request #112 from JaviMerino/master

typo: informations -> information
Merge pull request #113 from punitagrawal/manpage-fix

Fix error in manpage
Add empty-var and empty-var-unset integration test
Add TestEnvDiffEmptyValue
Fix issue #114 - work for blank envs
Merge pull request #115 from zimbatm/issue-114

Fix issue #114 - work for blank envs
Bump command timeout to 5 seconds
Allow to disable logging by setting an empty DIRENV_LOG_FORMAT

`export DIRENV_LOG_FORMAT` to disable direnv logging
Log output consistency
Fixes ruby deprecation warning
Fixes `make install` to not create a ./bin directory
replace ronn by md2man

ronn is unmaintained since 2 years and it's dependency, hpricot doesn't
install anymore on ruby2+ on OSX.

Both suffer from the bug described in #113 but at least md2man is going to
be fixed. See sunaku/md2man#18