fix(styles): use pointer cursor for 'a' element by default

Fixes LIIP-128.
refactor(styles): reduce repetition by using scss nesting in nav-tabs
style(nav-tabs): show cursor pointer also for active tab

Bootstrap overrides the default behavior for active tab, we need to set cursor type explicitly.
chore(authentication): don't generate stack traces for auth failures
Merge pull request #88 from HSLdevcom/liip-128

Liip 128
style(modal): disable modal vertical animation
fix(auth-e2e): make specs independent
fix(operator-dap): invalid sequence name
chore(e2e): extend ElementFinder with waitAbsent

waitAbsent.js taken from https://gist.github.com/elgalu/e5be99c10df90d089af6.
chore(e2e): wait until modals are absent
Merge pull request #89 from HSLdevcom/auth-e2e

Auth e2e
test(operator): WIP on fixing tests to select contact
fix(tests): contact and facility operator

Merge branch 'master' into facility-operator

Conflicts:
	etc/protractor/specs/devApi.js