Add ls.
Merge pull request #39 from kud/formula.ls

Add ls.
fix broken rsync.md
zip (style fix) & unzip (newly created)
Merge pull request #42 from tjwudi/master

fix broken rsync.md & update zip command & add unzip
Add an explanation of recursive search.
Support multiple OS
Merge remote-tracking branch 'upstream/master'
Autocreate sub directories for cached items
Add tldr page for subversion command line client tool
Merge pull request #48 from britter/svn-page

Add tldr page for subversion command line client tool
Merge pull request #44 from Tug/master

Support multiple OS
Merge pull request #43 from naxoc/master

Add an explanation of recursive search.
Added prefix/suffix and time sorting
Fix issue where common won't be required if os is detected
Moved the wildcard in prefixes and suffixes
Double brackets
Merge pull request #49 from RoryCrispin/patch-2

Added prefix/suffix and time sorting
Merge pull request #50 from Tug/master

Fix issue where common won't be required if os is detected
Move OS X and Linux pages into pages/common