Adds a README note informing the user bash sessions must be restarted
Adds a README note informing the user bash sessions must be restarted

juvenal/git_osx_installer,jfergie03/git_osx_installer,jfergie03/git_osx_installer,timcharper/git_osx_installer,juvenal/git_osx_installer,timcharper/git_osx_installer