Make the core into a plugin

core/styles/base.tid

@@ -1,5 +1,5 @@
 title: $:/core/styles/base
-tags: $:/core/styles
+module-type: stylesheet
 
 \rules only filteredtranscludeinline transcludeinline macrodef macrocallinline
 \define border-radius(radius)

core/styles/boot.css.tid

@@ -1,38 +0,0 @@
-title: $:/core/styles/boot.css
-type: text/css
-
-/*
-Basic styles used before we boot up the parsing engine
-*/
-
-/*
-Password prompt
-*/
-.tw-password-wrapper {
-    font-family: sans-serif;
-	z-index: 20000;
-	position: fixed;
-	text-align: center;
-	width: 480px;
-	top: 4em;
-    left: 50%;
-    margin-left: -264px; /* - width/2 - paddingHorz/2 - border */
-	padding: 16px 16px 16px 16px;
-	-webkit-border-radius: 8px;
-	-moz-border-radius: 8px;
-	border-radius: 8px;
-	color: #000;
-	text-shadow: 0 1px 0 rgba(255, 255, 255, 0.5);
-	background-color: rgb(197, 235, 183);
-	border: 8px solid rgb(164, 197, 152);
-}
-
-.tw-password-wrapper form {
-	text-align: left;
-}
-
-.tw-password-wrapper h1 {
-	font-size: 16px;
-	line-height: 20px;
-}
-