rails 3.2.12 and json 1.7.7
v4.0.8
robustness
extracted concept validations
added code climate
updated copyright notice
fixed invalid HTML

Capybara complained: "ignoring attempt to close div with a"
removed JSON polyfill

the immediate concern is Capybara not being able to handle the
dynamically injected SCRIPT tag, thus moaning (quite verbosely) all over
the place and spamming test output

more generally though, it seems time to drop legacy support

note that this means IE7 is no longer supported, according to
http://caniuse.com/#search=json (heads-up, @mrreynolds & @tillsc)
added pry & better_errors
fixed always appearing warning

was introducted in 4.0.8 by removing the count check
make pry available in both development and test
fixed typo in method name
removed useless test setup

@current_concept is never used
added validation for unique pref labels

pinging @nitaibezerra as we need portuguese translations for the new
error messages
Merge branch 'master' of github.com:innoq/iqvoc