Update README.md

Author: afawcett

README.md

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 FinancialForce Apex Common
 ==========================
 
-[![Build Status](https://travis-ci.org/financialforcedev/fflib-apex-commons.svg)](https://travis-ci.org/financialforcedev/fflib-apex-commons)
+[![Build Status](https://travis-ci.org/financialforcedev/fflib-apex-common.svg)](https://travis-ci.org/financialforcedev/fflib-apex-common)
 
 **Dependencies:** Must deploy [ApexMocks](https://github.com/financialforcedev/fflib-apex-mocks) before deploying this library