Default clone destination. Closes #47.
Adding troubleshooting section on mac installation

This troubleshooting section gathers information found on issue #38 on
GitExtensionsDocs while installing mac version of GitExtensions.

fixing typos and words after review

fixing another typo
fixing Git Extensions and Git download link
Merge pull request #49 from fraga/updateMacDoc2

Adding troubleshooting section on mac installation
Merge branch 'latest'
Merge remote-tracking branch 'origin/release/2.46' into jb/2.47
Merge branch 'jb/2.47'