Update README

Point to the krl_install repository for the installation scripts
Allow root credentials to be passed explicitly to pci functions
Merge branch 'master' of github.com:kre/Kinetic-Rules-Engine
Need to test DevLog on box with debug disabled
Fix for Production/Debug DevLog compatibility issues
small changes for GTour and testing
testing github IRC hook
minor fixes to KRL validation service to return errors via JSON properly
ugly parser failure partially fixed
reinstate event tree stashing; if it's broken we need to know why and fix it
Full OAuth flow--needs better HTML templates
Fix for Response.t test
minor fix to error for arg mismatch
some small changes for AKO
Fixed smoke tests for Sky.t and Events.t
fix keys problem for Cloud.pm, minor tests and debug statement fixes
Login portal and eventtree caching
Login handler and eventtree caching
template changes for form config and ridlist caching fix
Added fix for limit of 10 rulesets