VerifyCommandRetcode was used only in cf-agent, moved there
pipes.c became !NT-only, renamed
redefine StringMapSize
Merge pull request #575 from jeffali/fix/StringMapSize

redefine StringMapSize
Fix test to look masterfiles in ABS_TOP_SRCDIR
Move variables promise type to separate module
Move classes promise type to separate module
Remove unused debugging output
Use parser's built-in feature of printing error messages for parsing class expressions
Merge pull request #577 from jimis/wip2

Fix test to look masterfiles in ABS_TOP_SRCDIR
Fix for HPUX

We have a stub for sendto in logging_test.c. In HPUX this function
returns int instead of ssize_t, therefore we need a separate stub
for HPUX.