Set up for next release

git-svn-id: svn://svn.code.sf.net/p/netpbm/code/trunk@1163 9d0c8265-081b-0410-96cb-a4ca84ce46f8
Respect -plain, check some arithmetic overflow, fix wild pointer, simplify code by exploiting the new pnmconvol -normalize

git-svn-id: svn://svn.code.sf.net/p/netpbm/code/trunk@1165 9d0c8265-081b-0410-96cb-a4ca84ce46f8
Add pm_getMessage()

git-svn-id: svn://svn.code.sf.net/p/netpbm/code/trunk@1166 9d0c8265-081b-0410-96cb-a4ca84ce46f8
suppress messages from Pnmconvol

git-svn-id: svn://svn.code.sf.net/p/netpbm/code/trunk@1167 9d0c8265-081b-0410-96cb-a4ca84ce46f8
Limit size of pnmconvol invocation parameters

git-svn-id: svn://svn.code.sf.net/p/netpbm/code/trunk@1169 9d0c8265-081b-0410-96cb-a4ca84ce46f8
cleanup

git-svn-id: svn://svn.code.sf.net/p/netpbm/code/trunk@1171 9d0c8265-081b-0410-96cb-a4ca84ce46f8
quiet compiler warning

git-svn-id: svn://svn.code.sf.net/p/netpbm/code/trunk@1172 9d0c8265-081b-0410-96cb-a4ca84ce46f8
Don't default to /usr/X11R6/lib/libX11.so just because /usr/X11R6 exists.  /usr/X11R6/lib must exist

git-svn-id: svn://svn.code.sf.net/p/netpbm/code/trunk@1173 9d0c8265-081b-0410-96cb-a4ca84ce46f8
cleanup

git-svn-id: svn://svn.code.sf.net/p/netpbm/code/trunk@1174 9d0c8265-081b-0410-96cb-a4ca84ce46f8
Fix -reduce

git-svn-id: svn://svn.code.sf.net/p/netpbm/code/trunk@1175 9d0c8265-081b-0410-96cb-a4ca84ce46f8
Fix signedness problem

git-svn-id: svn://svn.code.sf.net/p/netpbm/code/trunk@1176 9d0c8265-081b-0410-96cb-a4ca84ce46f8
fix incorrect output

git-svn-id: svn://svn.code.sf.net/p/netpbm/code/trunk@1178 9d0c8265-081b-0410-96cb-a4ca84ce46f8
cleanup

git-svn-id: svn://svn.code.sf.net/p/netpbm/code/trunk@1179 9d0c8265-081b-0410-96cb-a4ca84ce46f8
cleanup

git-svn-id: svn://svn.code.sf.net/p/netpbm/code/trunk@1180 9d0c8265-081b-0410-96cb-a4ca84ce46f8
cleanup

git-svn-id: svn://svn.code.sf.net/p/netpbm/code/trunk@1182 9d0c8265-081b-0410-96cb-a4ca84ce46f8
Add Ppmtoascii

git-svn-id: svn://svn.code.sf.net/p/netpbm/code/trunk@1183 9d0c8265-081b-0410-96cb-a4ca84ce46f8
Fix compiler warnings

git-svn-id: svn://svn.code.sf.net/p/netpbm/code/trunk@1185 9d0c8265-081b-0410-96cb-a4ca84ce46f8
cleanup

git-svn-id: svn://svn.code.sf.net/p/netpbm/code/trunk@1186 9d0c8265-081b-0410-96cb-a4ca84ce46f8
Add -Wno-unknown-pragmas

git-svn-id: svn://svn.code.sf.net/p/netpbm/code/trunk@1187 9d0c8265-081b-0410-96cb-a4ca84ce46f8
Add Openmp directives

git-svn-id: svn://svn.code.sf.net/p/netpbm/code/trunk@1188 9d0c8265-081b-0410-96cb-a4ca84ce46f8