Log Message:
More review after 9.05 bump
1. Makefile
  rename {ps,gs}toraster.convs
    -CONF_FILES+=   ${CUPS_EGDIR}/pstoraster.convs ${CUPS_CONFDIR}/pstoraster.convs
    +CONF_FILES+=   ${CUPS_EGDIR}/gstoraster.convs ${CUPS_CONFDIR}/gstoraster.convs
  Add USE_LANGUAGES+=  c c++

2. PLIST update (option cups related)

3. options.mk reviewed
   (add --disable-freetype (in case of !x11 or !fontconfig)

4.  patch-base_unix-gcc.mak
  pdf added on FEATURE_DEV (although no luck yet)

5. TODO update

6. Tested as:
(Confirmed successfully build with 32 combinations
 of options)