Writing sechecker Modules

Instructions for using the template to add new modules

1. copy the xx.c and xx.h files to the modules directory
2. rename the files and replace the text xx with the module name in both files
3. add the register function for your module xx_register to the register_list.h and register_list.c entries
4. add options and any requirements or dependencies to the decription in the register function
5. fill out TODO sections of the template with logic for your module
6. recompile