Check in the vendor directory

Travis seems to be having issues pulling deps, so we'll have to check in
the vendor directory and prevent the makefile from trying to regenerate
it normally.

vendor/github.com/json-iterator/go/iter_skip_strict.go

@@ -0,0 +1,89 @@
+//+build !jsoniter_sloppy
+
+package jsoniter
+
+import "fmt"
+
+func (iter *Iterator) skipNumber() {
+	if !iter.trySkipNumber() {
+		iter.unreadByte()
+		iter.ReadFloat32()
+	}
+}
+
+func (iter *Iterator) trySkipNumber() bool {
+	dotFound := false
+	for i := iter.head; i < iter.tail; i++ {
+		c := iter.buf[i]
+		switch c {
+		case '0', '1', '2', '3', '4', '5', '6', '7', '8', '9':
+		case '.':
+			if dotFound {
+				iter.ReportError("validateNumber", `more than one dot found in number`)
+				return true // already failed
+			}
+			if i+1 == iter.tail {
+				return false
+			}
+			c = iter.buf[i+1]
+			switch c {
+			case '0', '1', '2', '3', '4', '5', '6', '7', '8', '9':
+			default:
+				iter.ReportError("validateNumber", `missing digit after dot`)
+				return true // already failed
+			}
+			dotFound = true
+		default:
+			switch c {
+			case ',', ']', '}', ' ', '\t', '\n', '\r':
+				if iter.head == i {
+					return false // if - without following digits
+				}
+				iter.head = i
+				return true // must be valid
+			}
+			return false // may be invalid
+		}
+	}
+	return false
+}
+
+func (iter *Iterator) skipString() {
+	if !iter.trySkipString() {
+		iter.unreadByte()
+		iter.ReadString()
+	}
+}
+
+func (iter *Iterator) trySkipString() bool {
+	for i := iter.head; i < iter.tail; i++ {
+		c := iter.buf[i]
+		if c == '"' {
+			iter.head = i + 1
+			return true // valid
+		} else if c == '\\' {
+			return false
+		} else if c < ' ' {
+			iter.ReportError("trySkipString",
+				fmt.Sprintf(`invalid control character found: %d`, c))
+			return true // already failed
+		}
+	}
+	return false
+}
+
+func (iter *Iterator) skipObject() {
+	iter.unreadByte()
+	iter.ReadObjectCB(func(iter *Iterator, field string) bool {
+		iter.Skip()
+		return true
+	})
+}
+
+func (iter *Iterator) skipArray() {
+	iter.unreadByte()
+	iter.ReadArrayCB(func(iter *Iterator) bool {
+		iter.Skip()
+		return true
+	})
+}