Document our dependency on Java 7
CLC-3072 Better error messages for 404s from CFV API
Merge pull request #1989 from ctweney/java7readmetweak

NOJIRA Document our dependency on Java 7
CLC-3072 Model needs to pass error conditions through from proxy
Merge pull request #1991 from ctweney/clc-3072

CLC-3072 Improving CFV 404 handling
Merge remote-tracking branch 'ets/master' into CLC-3072

* ets/master:
  CLC-3072 Model needs to pass error conditions through from proxy
  CLC-3072 Better error messages for 404s from CFV API
  Document our dependency on Java 7
test