Align button icons

- Fixes button icon and text alignment
- App header buttons to be addressed separately
- Button documentation will be addressed in separate commit
- Aligns form input buttons: datepicker, clear search, and password toggle
- Moves title from icon to button for icon only buttons
- Aligns validation icon with  form input buttons

Signed-off-by: Dixsie Wolmers <dixsie@ibm.com>
Change-Id: Ie28d7d7dd7303ab6bf1897d1fa569e1580cc2f9d
diff --git a/src/locales/en-US.json b/src/locales/en-US.json
index 571e747..0c4dcd6 100644
--- a/src/locales/en-US.json
+++ b/src/locales/en-US.json
@@ -26,7 +26,7 @@
       "progressBar": "Page loading progress bar"
     },
     "calendar": {
-      "openDatePicker": "Open date picker",
+      "selectDate": "Select date",
       "useCursorKeysToNavigateCalendarDates": "Use cursor keys to navigate calendar dates"
     },
     "fileUpload": {