inline all images into css

* embedded images as data URIs
* rake task to generate multipart js file with embeded images for IE
* move images into a separate directory outside of src or css and
  keep them there for reference
* clean up Rakefile and ruby code
* .gitignore update
* don't penalize IE 8+ with an extra request to the ie-compat.js file

7 files changed, 3 insertions, 106 deletions

diff --git a/css/angular.css b/css/angular.css
index 0fb10cdf..a293e8eb 100644
--- a/css/angular.css
+++ b/css/angular.css
@@ -1,32 +1,4 @@
 @charset "UTF-8";
-/* CSS Document */
-
-#ng-console {
-  border: thin solid black;
-  font-family: 'courier';
-  font-size: x-small;
-}
-
-#ng-console .ng-console-error {
-  color: red;
-}
-
-#ng-console .ng-console-info {
-  color: blue;
-}
-
-.ng-upload-widget object {
-  align:center;
-}
-
-.ng-upload-widget a {
-  margin-right: .3em;
-}
-
-.ng-upload-widget span {
-  color: #999999;
-  font-size: smaller;
-}
 
 .ng-format-negative {
   color: red;
@@ -42,29 +14,6 @@
   border: 2px solid #FF0000;
 }
 
-.ng-hidden {
-  display:none;
-}
-
-/*****************
- * DatePicker
- *****************/
-
-div.ui-widget {
-  font-size: 11px;
- }
-
-/*****************
- * OrderBy
- *****************/
-.ng-ascend,
-.ng-descend {
-  padding-right: 20px;
-  background-repeat: no-repeat;
-  background-position: right;
-}
-.ng-ascend  { background-image: url(angular_images/arrow_ascend.png); }
-.ng-descend { background-image: url(angular_images/arrow_descend.png); }
 
 /*****************
  * TIP
@@ -83,7 +32,7 @@ div.ui-widget {
 }
 
 #ng-callout .ng-arrow-left{
-  background-image: url(angular_images/arrow_left.gif);
+  background-image: url("data:image/gif;base64,R0lGODlhCwAXAKIAAMzMzO/v7/f39////////wAAAAAAAAAAACH5BAUUAAQALAAAAAALABcAAAMrSLoc/AG8FeUUIN+sGebWAnbKSJodqqlsOxJtqYooU9vvk+vcJIcTkg+QAAA7");
   background-repeat: no-repeat;
   background-position: left top;
   position: absolute;
@@ -95,7 +44,7 @@ div.ui-widget {
 }
 
 #ng-callout .ng-arrow-right{
-  background-image: url(angular_images/arrow_right.gif);
+  background-image: url("data:image/gif;base64,R0lGODlhCwAXAKIAAMzMzO/v7/f39////////wAAAAAAAAAAACH5BAUUAAQALAAAAAALABcAAAMrCLTcoM29yN6k9socs91e5X3EyJloipYrO4ohTMqA0Fn2XVNswJe+H+SXAAA7");
   background-repeat: no-repeat;
   background-position: left top;
   position: absolute;
@@ -117,7 +66,6 @@ div.ui-widget {
   color:#333333;
 }
 
-
 #ng-callout .ng-title{
   background-color: #CCCCCC;
   text-align: left;
@@ -128,62 +76,11 @@ div.ui-widget {
 }
 
 
-#ng-spacer {
-  height: 1.2em;
-}
-
-#ng-loading {
-  position: fixed;
-  bottom: 0;
-  height: 1.2em;
-  width: 100%;
-  text-align: center;
-}
-
-/*****************
- * Login
- *****************/
-
-#ng-login {
-  z-index: 2000;
-  position: absolute;
-  top: 0;
-  left: 0;
-  right: 0;
-  bottom: 0;
-  padding-top: 100px;
-}
-
-#ng-login .ng-login-container {
-  width: 500px;
-  height: 380px;
-  margin: auto;
-  border-top: 5px solid #FFF;
-  border-left: 5px solid #DDD;
-  border-right: 5px solid #777;
-  border-bottom: 5px solid #555;
-  padding: 0 3px 3px 0;
-}
-
-#ng-login .ng-login-container iframe {
-  width: 100%;
-  height: 100%;
-  border: 2px solid black;
-}
-
-
 /*****************
  * indicators
  *****************/
-.ng-indicator-wait {
-  display: inline-block;
-  height: 16px;
-  width: 16px;
-  background-image: url("angular_images/indicator-wait.png");
-}
-
 .ng-input-indicator-wait {
-  background-image: url("angular_images/indicator-wait.png");
+  background-image: url("data:image/png;base64,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");
   background-position: right;
   background-repeat: no-repeat;
 }
diff --git a/css/angular_images/arrow_ascend.png b/css/angular_images/arrow_ascend.png
deleted file mode 100644
index dd27b92b..00000000
--- a/css/angular_images/arrow_ascend.png
+++ /dev/null
diff --git a/css/angular_images/arrow_descend.png b/css/angular_images/arrow_descend.png
deleted file mode 100644
index ec1cb5df..00000000
--- a/css/angular_images/arrow_descend.png
+++ /dev/null
diff --git a/css/angular_images/arrow_left.gif b/css/angular_images/arrow_left.gif
deleted file mode 100644
index 4c9e5c66..00000000
--- a/css/angular_images/arrow_left.gif
+++ /dev/null
diff --git a/css/angular_images/arrow_right.gif b/css/angular_images/arrow_right.gif
deleted file mode 100644
index 3252c359..00000000
--- a/css/angular_images/arrow_right.gif
+++ /dev/null
diff --git a/css/angular_images/indicator-wait.png b/css/angular_images/indicator-wait.png
deleted file mode 100644
index 5b33f7e5..00000000
--- a/css/angular_images/indicator-wait.png
+++ /dev/null
diff --git a/css/angular_images/loader-bar.gif b/css/angular_images/loader-bar.gif
deleted file mode 100644
index 47adbf03..00000000
--- a/css/angular_images/loader-bar.gif
+++ /dev/null