* repaired cache collision with sql and compute
* moved cache constructors to class constructor
* modified listProducts to cope with options being null (NPE)
forgot to add this file to commit.
Merge branch 'develop' of git@github.com:greese/dasein-cloud-google.git
into develop-ROGER-RDS-TEST

Conflicts:
	src/main/java/org/dasein/cloud/google/Google.java
new line
Merge pull request #217 from unwin/develop-ROGER-RDS-TEST

fixes for NPE and cache conflict