update redis module dependency to fix 'sys'/'util' error in node > 0.7, allows for running IODocs on 0.7.8 which updates OpenSSL to be compatible with certain apache/centOS combinations.
update redis module dependency to fix 'sys'/'util' error in node > 0.7, allows for running IODocs on 0.7.8 which updates OpenSSL to be compatible with certain apache/centOS combinations.

poupougnac/iodocs,pigate/iodocs,robksawyer/minnow-iodocs,kapost/iodocs,BrandonE/tabroom-docs,nishant8BITS/iodocs,mansilladev/iodocs,rollbar/iodocs,devnieL/pdtp-iodocs,nishant8BITS/iodocs,adzerk/iodocs,adzerk/iodocs,spier/iodocs-zeit,adzerk/ratatoskr,rollbar/iodocs,pigate/iodocs,rollbar/iodocs,adzerk/ratatoskr,kapost/iodocs,1602/iodocs,Wiredcraft/apidoc.devo.ps,mashery/iodocs,michaelBenin/iodocs,alexkalderimis/iodocs,Strive-Labs/iodocs,gautamk/iodocs,Strive-Labs/iodocs,mashery/iodocs,twilson63/iodocs,sensibill/iodocs,alexkalderimis/iodocs,sensibill/iodocs,samwize/hoiio-iodocs,halp-me/iodocs,robksawyer/minnow-iodocs,ccollins0601/iodocs,devnieL/pdtp-iodocs,mansilladev/iodocs,poupougnac/iodocs,victorquinn/CrimeDataDocs,JonathanMatthey/r29iodocs,Tom-Tom/misterdatadoc,capncodewash/iodocs,sensibill/iodocs,capncodewash/iodocs,ccollins0601/iodocs,appirio-tech/cs-iodocs