Fix incorrect use of title in docs for ionNavView

The `title` attribute is no longer evaluated, and should just be a simple string value. It is correct in the ionView docs, but not here.
Fix typo in popover docs
Typo fix in popup docs
Remove unnecessary comma in popup docs
display-inline-flex mixin name is error: 'dislay-inline-flex'
Merge pull request #2270 from moroshko/patch-3

Fix typo in popover docs
Merge pull request #2271 from moroshko/patch-4

docs(popup): typo fix in popup docs
Merge pull request #2272 from moroshko/patch-5

docs(popup): remove unnecessary comma in popup docs
Merge pull request #2273 from BiosSun/master

style(mixin): display-inline-flex mixin name is error: 'dislay-inline-flex'
Merge pull request #2251 from gnomeontherun/patch-2

docs(ionNavView): fix incorrect use of title attributes in docs for ionNavView
fix(pull to refresh): minor optimization to prevent flicker on deactivate
test(refresher): clean up last refresher patch's test
chore(mixin): multi param animation-name
refactor(clickBlock): ensure click block fallback cancels
test(viewState): minor updates
fix(loading): subsequent calls use config defaults and not last call's options. Fixes #2066, #2088
chore(tap): commenting out console.log()
fix(popup): prevent back to back popups from dismissing background. Fixes #2071
fix(backdrop): use sass vars
fix(popover): reposition popover on window resize. Closes #2189