Update default Apktool to 2.9.1

dist/all/docs/versions.txt

@@ -2,7 +2,7 @@
 
 ## 1.8.0
 - Added word wrap support to code editor.
-- Updated default Apktool to 2.8.1.
+- Updated default Apktool to 2.9.1.
 
 ## 1.7.1
 - Added support for optimizing shared libraries.

scripts/download.py

@@ -43,7 +43,7 @@ os.makedirs(resolvePlatformPath(), exist_ok=True)
 # Download Apktool
 
 print('(1/3) Downloading Apktool...')
-urlretrieve('https://bitbucket.org/iBotPeaches/apktool/downloads/apktool_2.8.1.jar',
+urlretrieve('https://bitbucket.org/iBotPeaches/apktool/downloads/apktool_2.9.1.jar',
     resolvePath('../dist/all/tools/apktool.jar'), progress)
 
 # Download and unpack Android Build Tools