Update to Salesforce API v32.0
Revert "Update to Salesforce API v32.0"

This reverts commit e0d62791047aa3a15f7d66354e7a77e68ca4a736.
SCC-120: fix NPE
Merge pull request #102 from mulesoft/SCC-120

SCC-120: fix NPE
API upgrade to v32.
Merge branch 'feature/SCC-98_APIUPGRADE' into develop

Conflicts:
	src/main/java/org/mule/modules/salesforce/SalesforceOAuthConnector.java
Merge branch 'develop' into feature/SCC-63_CUSTOBJTYPES