additional 7,8,9 section
revise 7th section
revise small details for 7/8/9 section
additional 10/11/12 sections
drafts for 13/14/15 sections
additional last part(16)
Merge remote-tracking branch 'upstream/gh-pages' into gh-pages
Merge pull request #66 from pedant/gh-pages

pull the jni-tips draft