[FIX] Contact template: Use singular for heading

The column showed "Contacts". The second column reads "Ripple name" in
singular. Make first column title match second.
[TASK] History template: Drop headers

RT-2384
Remove the "filters" and "transaction history" titles.
[FIX] History template: Expand filters by default

RT-2384
Make the History filters open by default because we don't have that many
[TASK] History template: Restyle CSV Export button

RT-2384

- Make the History page's Date/Description/Export to CSV button the same
design and spacing as the Contacts page's Contacts/Ripple name or
Address/Add contact button

- Make sure that when you go between the two pages, the "Add contact"
button and "Export to CSV" button doesn't "jump" around. This means
moving the "Export to CSV" button to the right.
[TASK] RT-2409: UI Log in, sign up, and migrate box widths
[TASK] RT-2391: Fund: BTC tab UI
[TASK] RT-2413: Header: Gear dropdown icons
[FIX] Knox tab: Add lines

RT-2412
Add header bottom-border and left border, to look like other Fund tabs.
[FIX] Knox tab: Fix verify link underline bleeding

RT-2412
Fix problem with the underline "bleeding" of the "Verify identity" link
into the space left to it.
[TASK] Knox tab: Update messages

RT-2412
Update error messages for identity verification, add SnapSwap email
address, fix typos.
Merge pull request #1633 from jublonet/issue/2412-knox-tab-styling

[FIX] RT-2412 Knox tab: Fix styling, strings
Merge pull request #1630 from Mesrop/develop-RT-2409

[TASK] RT-2409: UI Log in, sign up, and migrate box widths
Merge pull request #1632 from Mesrop/develop-RT-2391

[TASK] RT-2391: Fund: BTC tab UI
[FIX] Popup: Clicking on buttons should close the popup
Merge pull request #1634 from vhpoet/release

[FIX] Popup: Clicking on buttons should close the popup
[FEATURE] RT-2437 Kyc tab: Add "US-only" banner

RT-2437 #inreview
Add banner "Profile completion is only available to US residents."
to kyc wizard page top.
[FIX] RT-2437 Kyc tab: Rename US-only banner toggle

ng-hide=hideUsOnlyBanner  is easier to understand, more logical.
[FIX] Intro banner styling
[FIX] Hover state for show/hide instructions on gold tab
[FIX] Alignment on fine print in USD and Gold tabs