Add support for package payment methods and basic checkout proccess

backend/app/plugins/wiaas/assets/css/package.css

@@ -0,0 +1,92 @@
+#wiaas_product_price {
+    padding: 20px;
+}
+
+#wiaas_product_price label {
+    display:block;
+    line-height: 24px;
+    float: left;
+    width: 270px;
+    padding: 0;
+    margin: 0;
+}
+
+#wiaas_product_price_controls {
+    float: right;
+}
+
+#wiaas_product_price_controls  > select {
+    margin-right: 20px;
+}
+
+#wiaas_product_pricing_rules h4 {
+    border-bottom: 1px solid #E5E5E5;
+    padding-bottom: 6px;
+    font-size: 1.2em;
+    margin: 1em 0 1em;
+    text-transform: none;
+    margin-top: 0px;
+    cursor: move;
+}
+
+#wiaas_product_pricing_rules > .wiaas-pricing-rule {
+    border-color:#dfdfdf;
+    border-width:1px;
+    border-style:solid;
+    -moz-border-radius:3px;
+    -khtml-border-radius:3px;
+    -webkit-border-radius:3px;
+    border-radius:3px;
+    padding: 0;
+    border-style:solid;
+    border-spacing:0;
+    background-color:#F9F9F9;
+    margin-bottom: 12px;
+    margin-left: 12px;
+}
+
+#wiaas_product_pricing_rules > .wiaas-pricing-rule .section {
+    display: block;
+    overflow: hidden;
+    zoom: 1;
+    margin: 9px 0 0;
+    font-size: 12px;
+    padding: 5px 9px;
+}
+
+#wiaas_product_pricing_rules > .wiaas-pricing-rule input, #wiaas_product_pricing_rules .wiaas_input_container {
+    width: 160px;
+}
+
+#wiaas_product_pricing_rules .wiaas_label_container {
+    width: 270px;
+}
+
+.delete_wiaas_pricing_rule {
+    color: #a00;
+    float: right;
+    font-size: 10px;
+    font-weight: 400;
+    letter-spacing: 0.5px;
+}
+
+.wiaas_hidden {
+    display: none;
+}
+
+.wiaas_separator {
+    display: inline-block;
+    width: 1px;
+    background-color: #727272;
+    opacity: .25;
+    height: 28px;
+    margin: 0 10px;
+}
+
+.wiaas-pricing-rule table {
+    padding: 5px 9px;
+}
+.wiaas-pricing-rule tr {
+    font-size: 12px;
+    height: 36px;
+}