Update installation instructions for 2.0

Also remove outdated known issue and correct markdown formatting issue.

README.mdown

@@ -22,11 +22,10 @@ Via download:
  * Double-click  
  * TextMate handles the rest!  
 
-To install via Git:
+To install via Git (for 2.0):
 
-		cd ~/"Library/Application Support/TextMate/Bundles/"
+		cd ~/"Library/Application Support/Avian/Bundles/"
 		git clone git://github.com/simongregory/actionscript3-tmbundle.git "ActionScript 3.tmbundle"
-		osascript -e 'tell app "TextMate" to reload bundles'
 
 Source can be viewed and forked via [GitHub][repo_master]
 
@@ -209,11 +208,6 @@ SDK when it has not been explicitly defined by the user in `TM_FLEX_PATH`.
 * fsch doesn't accept escaped or quoted directory names properly, if they have 
 space it fails. The only solution is to use paths that don't contain spaces.
 
-* TextMate 1.5.9 (1589) broke all commands scanning the project for files. To fix
-the issue you need to upgrade your TextMate Support directory to the most recent 
-version. To do this checkout `http://svn.textmate.org/trunk/Support` to 
-`/Users/$USER/Library/Application Support/TextMate/Support` 
-
 # Support
 
  * [Issue tracker][issue_tracker]
@@ -250,17 +244,17 @@ ChromaticRain
 If not otherwise specified (see below), files in this project fall under the following license:
 
 		Copyright 2007-2010 Simon Gregory
-
+		
 		Permission is hereby granted, free of charge, to any person obtaining a copy
 		of this software and associated documentation files (the "Software"), to deal
 		in the Software without restriction, including without limitation the rights
 		to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 		copies of the Software, and to permit persons to whom the Software is
 		furnished to do so, subject to the following conditions:
-
+		
 		The above copyright notice and this permission notice shall be included in
 		all copies or substantial portions of the Software.
-
+		
 		THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 		IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 		FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE