Added trivial change section

Seemed appropriate. I'm not quite sure if this is your policy - but seeing as how I've just pushed such a change, and as how this is another one, it seems reasonable to add this paragraph in. Of course, if I'm wrong, I'd like to know.
Changed spelling errors. 

My bad!
Remove -f flag from OSX elasticsearch instructions
Change committers to authors
Dev server is not HTTPS
Commit >> branch
Merge pull request #1466 from RichardLitt/patch-2

Added trivial change section
Added note about clicking and dragging #1467
Merge pull request #1472 from RichardLitt/1467-add-drag-to-install-note

Added note about clicking and dragging #1467
Convert coffee files in scripts/vendor to js, modify scripts/vendor/.gitignore
Add page_text_mapper_core.js
Edit .gitignore file to be more specific:
Merge pull request #1473 from hypothesis/vendorfoldercleanup

Convert coffee files in scripts/vendor to js, modify scripts/vendor/.gitignore
Add unicode normalization for page search
Unicode normalization for stream backend