Fix #66 refactor qcc library installation

- refactored to install qcc library in the event of version mismatch
  (previously, a different version would not be installed because it simply
  checked for presence of the qcc library)
Remove extraneous space
Add version check to integration example
Merge pull request #67 from jhx/issue_66_refactor_qcc_library_installation

Issue 66 refactor qcc library installation