If specifying max memory as a percentage of system memory, force calculated value to a string to avoid causing problems with the redis.conf template. Fixes brianbianco/redisio#59.
Adds support to install Redis into a custom location, instead of only installing into /usr/local.
Merge pull request #60 from StudyBlue/memory_percentage

Fix maxmemory as a percentage
Merge pull request #61 from StudyBlue/custom_install_dir

Custom installation directory
Bumps version to 1.6.0 and updates changelog to include latest accepted pull requests.
Custom installation directory improvments
Merge pull request #64 from rcleere/custom_dir_fix

Custom installation directory improvments
Updates changelog to reflect latest pull request that was merged via rcleere
Bumps the new default installation to the latest stable (2.6.14)
Updates readme to add in explanation of the new install_dir attribute
Support for address attribute as an array.
Updates changelog with release date.
Fix #76 - Default settings save as empty string breaks install
Merge pull request #88 from astlock/master

Fix #76 - Default settings save as empty string breaks install
Fix attribute formatting in README.md
Merge pull request #102 from kciesielski/master

Fix attribute formatting in README.md
Fix bug with nil file resource for logfile.

This bug was introduced because Chef now checks that file resource
names are not nil.

See: https://github.com/opscode/chef/commit/b4c8facbf495423950345937ab4a8d6d8792ad16#diff-777c3a72344547b365dc6149ec4ebaffR111
Merge pull request #103 from chrismoos/fix_logfile_resource

Fix bug with nil file resource for logfile.
Version bump 1.7.1

Updates redis version to 2.6.17.  Changes redis mirror Updates changelog.