Impementation of siginfo struct on Linux platforms
Added time.h include to siginfo headers to provide clock_t.
Added WLIB_AR as a signal for wlib's AR mode.  Fixed some command-line parsing for wlib's AR mode.
Merge pull request #99 from ArmstrongJ/siginfo

Impementation of siginfo struct on Linux platforms
Merge pull request #100 from ArmstrongJ/wlib-ar

Minor fixes for wlib's "ar" compatibility mode
use ar_mode name to be more transparent
a little cleanup hdr project after previous change
Ignore comments at the end of EXPORTS lines.

[git-p4: depot-paths = "//depot/openwatcom/": change = 37555]
consolidate platform specific macros for wgml and gendev tools into wgmlcmd.mif make file
extend space for current directory
enable to use of trmem.h for C++ source code
correct bug in C++ compiler for __declspec(__watcall) function modifier
display memory statistic
enable memory tracker for debug version of whc after fixing memory tracking code
cleanup whc code
correct prototypes
cleanup whc code
use bool type where it has sense
whc code cleanup
next changes to use bool type
fix mistake in whc
clean whc code
fix whc memory allocation bugs