Big rejig of the autoconf includes.  We now seperate the tests for includes from the tests for compiler options

Signed-off-by: Rick Taylor <rick@tropicalstormsoftware.com>
Remove the use of GlobalNew.h - it's dangerous

Signed-off-by: Rick Taylor <rick@tropicalstormsoftware.com>
Use the newly available uintX_t typedefs

Signed-off-by: Rick Taylor <rick@tropicalstormsoftware.com>
Add int8_t and uint8_t types

Signed-off-by: Rick Taylor <rick@tropicalstormsoftware.com>