Fix #748
typo
wrong logging
fix demo and install problems with symlinks in windows
Merge pull request #751 from ccanepa/fixed-symlinks-windows

fix demo and install problems with symlinks in windows
changelog for #741, #747
flake8
fix typo in changelog
Fix #747
flake8 harder
Merge branch 'master' of github.com:getnikola/nikola
Fix #754
merged master
Merge pull request #752 from getnikola/chain-of-themes

Install enough of the theme chain to ensure themes work
Issue #755 stopgap
Merge branch 'master' of github.com:getnikola/nikola
Fix #756 remove workaround for #755 until something else pops up
Fix #758
flake8
minor doc fix