Use SVG for status badge in README

http://shields.io/ provides many standardized badges for OSS. The PNG version provided by Shields is similar to the image currently used, but the SVG version added here is more legible on high pixel density displays.
added selenium and phantomjs to requirements
adds buttons to mark as read and unread, implementing codeburgs fix to send result tag_add_delete
Merge pull request #529 from maxking/master

New tests
Merge pull request #527 from lieblingswelt/lj-unreadbutton

Lj unreadbutton
Merge pull request #512 from seanlinsley/patch-1

Use SVG for status badge in README
Updated path of bower_components
Added bower config file
Merge pull request #530 from maxking/req

Add selenium and phantomjs to list of requirements
Comments and clarification
Commands should not be modifying their argument lists
Fix bugs introduced by switch to with ... as ...
Start writing a basic event log to disk
Removed --with-doctest, as it does not currently work
Updated urlmap.py doctests after command argument became a tuple
Fix pip install recipe to not create file named =2.40.0  :P :P
Avoid gem install being dumb, if we have lessc do not reinstall it
Update docs module to d554695
pep8 fixes, run test HTTPD on a random port
Fix buglet caused by command args becoming a tuple