chore(build): rename ionic directory to src and update all references in the build process.

src/ionic.scss

@@ -0,0 +1,23 @@
+@charset "UTF-8";
+
+// Core Components
+@import "components.core";
+
+// iOS Components
+.ios {
+  @import "components.ios";
+  @include ios-body();
+}
+
+// Material Design Components
+.md {
+  @import "components.md";
+  @include md-body();
+}
+
+// Windows Components
+.wp {
+  @import "components.wp";
+  @include wp-body();
+}
+