Added rox.isappdir() function to test the validity of an AppDir (Stephen Watson).
tree3ea9d18de46f7b4bf8777767ba3af0fd74f39305
-rw-r--r-- 4594 .DirIcon
-rw-r--r-- 1825 AppInfo.xml
-rwxr-xr-x 873 AppRun
drwxr-xr-x - Help
-rwxr-xr-x 1620 MakeDist
drwxr-xr-x - Messages
-rw-r--r-- 604 ROX-Lib.xml
drwxr-xr-x - python
drwxr-xr-x - tests