Add executables and autogen files to .gitignore
Add executables and autogen files to .gitignore

Signed-off-by: Mike McClurg <d5d39725aee3103039228164deec3c7acc6f60e3@citrix.com>

johnelse/forkexecd,xapi-project/message-switch,xapi-project/message-switch,xapi-project/message-switch,djs55/forkexecd