Start convert.py file
Some more work on conda convert
Start basic structure of the conda convert command
Some more work on the conda convert tool
Close under a finally block
Use tarfile's builtin support for bz2

Also, no longer support not having it be bz2
Fix tarfile generation

Apparently the data is not included with TarInfo objects.
Some more work on the convert command

Now it converts the paths. All that remains is to add the Windows entry-point,
and to update the package metadata.
conda convert: don't map files that haven't changed
conda convert: Update the metadata
Remove debugging print
The bufsize doesn't seem to make any difference
Move logic into convert.py
Use better name
I think it does work on Windows packages
Handle non-Python packages
Add code to check entry points

Also make distinction between plat and type in the code.
Use regular expressions to update paths

This is to allow to rename the entry points as entry-point-script.py
Add some documentation for conda convert
Require the -o option, since the same filename is used