Updated readme file to callout use of the purge target when creating …

…the a theme from the less file. Added a .gitingore file so .css files are not checked in. Only the less file should be checked in. Regenerated the zip file so others do not need to use lessc to install the theme.

.gitignore

@@ -0,0 +1 @@
+*.css

README.md

@@ -10,7 +10,7 @@ Use these instructions If you do not need to make updates to theme's CSS file.
     $ git clone https://github.com/thenewcircle/cdk-theme.git
     $ cd cdk-theme/newcircle
     $ source ~/vcdk/bin/activate       
-	(vcdk) $ cdk install theme=newcircle.zip
+    (vcdk) $ cdk install theme=newcircle.zip
     (vcdk) $ cdk --default-theme=newcircle
 
 
@@ -20,7 +20,7 @@ If you need to modify the theme, install lessc before regenerating the theme by
     $ git clone https://github.com/thenewcircle/cdk-theme.git
     $ cd cdk-theme/newcircle
     $ source ~/vcdk/bin/activate
-    (vcdk) $ make install
+    (vcdk) $ make purge install
 
 If this is your first time installing the newcircle theme, set it as the default theme as well.