Added .jar files to ALLOWED_FILE_TYPES.

Signed-off-by: Daniel (dmilith) Dettlaff <dmilith@verknowsys.com>
Added some qDebugs to file IO. Syndir would require some better IO buffering for files bigger than 20MiB.

Signed-off-by: Daniel (dmilith) Dettlaff <dmilith@verknowsys.com>