Increase the value of TAP_RELEASE_TOLERANCE constant

Improves tap behaviours on iPad by reducing “missclicks”
fix(popover): extend options to modal service

Closes #2724
Merge pull request #2715 from Nesk/tap-release-tolerance-increase

refactor(tap): increase tap release tolerance
test(tap): fix tap tests from tolerance change
fix(tabs): fix scss compile error on some versions of sass Closes #2719
fix(tabs): fix non-retina border color when tabs color and bg color are used together
release(): version 1.0.0-beta.14
release: v1.0.0-beta.14 "magnesium-mongoose"
amend(changelog): v1.0.0-beta.14 update
chore(): delete unused file
docs(navView): correct markdown formatting