made images link clickable

also corrected git clone url

README.md

@@ -17,9 +17,9 @@ To build the game you need the following tools:
 
 # Getting Started
 
-- `git clone git@github.com:wooga/pocket_island.git`
+- `git clone git@github.com:wooga/Pocket-Island.git`
 
-- Get the art assets from cdn-mkt.wooga.com/downloads/images.zip and extract them into ./Pocket-Island/images.
+- Get the art assets from http://cdn-mkt.wooga.com/downloads/images.zip and extract them into ./Pocket-Island/images.
 
 - Run `rake` to generate all config files, sprite images, etc.
 
@@ -51,4 +51,4 @@ to generate the image based on ``sprite_name.sprite`` file.
 An image and ``sprite_name.json`` will be generated.
 Use the value from the json file to update ``entities.json`` with
 ``width``, ``height``, ``spritey`` and ``offsetY`` values.
-Remember to divide pixel values by 48 before entering them in ``entities.json``.
+Remember to divide pixel values by 48 before entering them in ``entities.json``.