minor tweak to instruction formatting
Merge branch 'master' of github.com:fmof/loglin
Merge branch 'master' of github.com:fmof/loglin
augmented instructions for lesson 10
Merge branch 'master' of github.com:fmof/loglin
improved some instructions on lessons 1 and 10; changed observations
slightly for lesson 17 (see issue #82).
Merge branch 'master' of github.com:fmof/loglin