update controllers/flow-control
update quality-code/static-analysis
update common-tasks/caching
Merge pull request #54 from AndrewPodner/restructure-quality-static-analysis

update quality-code/static-analysis
Minor wording polish with Toscacar comments
updated syntax in the redirect  example.
updates & corrections to content in common-tasks/caching
Merge pull request #53 from AndrewPodner/restructure-controller-flow-control

update controllers/flow-control
Merge pull request #55 from AndrewPodner/restructure-caching

update common-tasks/caching