Add comment about not upgrading guava any further
Add comment about not upgrading guava any further

Guava 11.0.2 is the last version of guava that supports JDK 5.

glowroot/glowroot,glowroot/glowroot,glowroot/glowroot,glowroot/glowroot,trask/glowroot,trask/glowroot,trask/glowroot,trask/glowroot