OMG so many Buefy things...and much to be done yet it seems

these changes are all with Buefy "forms" support in mind.  hopefully didn't
break any legacy/jquery stuff... and yeah, lots more left to do still for the
sake of Buefy forms

tailbone/static/js/tailbone.buefy.datepicker.js

@@ -11,7 +11,6 @@ const TailboneDatepicker = {
         'icon="calendar-alt"',
         ':date-formatter="formatDate"',
         ':date-parser="parseDate"',
-        ':value="value ? parseDate(value) : null"',
         '@input="dateChanged"',
         '>',
         '</b-datepicker>'
@@ -20,7 +19,6 @@ const TailboneDatepicker = {
     props: {
         name: String,
         id: String,
-        value: String
     },
 
     methods: {
@@ -43,8 +41,7 @@ const TailboneDatepicker = {
         },
 
         dateChanged(date) {
-            this.value = this.formatDate(date)
-            this.$emit('input', this.value)
+            this.$emit('input', this.formatDate(date))
         }
     }