adds security note

I can't believe this wasn't in here already!!
localhost OR 127.0.0.1
modifies description of tabula-extractor
"Basic Options:" looks like it's pointing to things below the text that don't exist (since window screen is wide and buttons are far away). let's just be explicit about what this text is
Merge remote-tracking branch 'origin/master'
upgrade jruby & gems
tabula 0.9.6 / tabula-extractor 0.7.5
remove ANCIENT docs/ and TODO.md
Revert "upgrade jruby & gems"

This reverts commit 45404fa07fb3ddaf2280ec03b7d2f84e20396e88.
lock Warbler at 1.4.2 (anything higher breaks Windows)
upgrade deps

windows seems to have been fixed by downgrading jruby.
Merge branch 'master' of github.com:tabulapdf/tabula

Conflicts:
	Gemfile.lock
upgrade jruby-jars to 1.7.15
jruby 1.7.15
Merge remote-tracking branch 'origin/master' into feature-backbone-newLassoWidget

Conflicts:
	webapp/views/pdf_view.html.erb
Merge branch 'feature/backbone-newLassoWidget' of https://github.com/tabulapdf/tabula into feature-backbone-newLassoWidget

Conflicts:
	webapp/views/pdf_view.html.erb