Use forward slash as delimiting character for paths

Unix-like systems doesn't support backslash as delimiting characters
whereas in DOS both forward slash and backslash can be used.
Use case-sensitive names for filename references

File systems under Unix-like systems are case-sensitive. Filename
references changed to case of filenames on file system.
Fix warning: trailing comma is nonstandard

MSP430 Compiler cl430 in version 4.1.6 displays above warning in enum.
Merge pull request #32 from scrool/unix_ccs_compat

Unix & CCS compatibilty