[FLIB-7] Upgrade to Java 8
[FLIB-7] Upgrade to Java 8

Upade libraries to java 8 and run the intellij migration tools to update
the code to use the latest language features where apropriate.

[rev Alex Scown]

hpe-idol/java-aci-types,hpe-idol/java-aci-types,hpautonomy/java-aci-types,hpautonomy/java-aci-types