* tools/Coq_makefile:   Add '-I config' in the options of the ocaml compilers.   This is useful to reuse site configuration in plugins.
* tools/Coq_makefile:
  Add '-I config' in the options of the ocaml compilers.
  This is useful to reuse site configuration in plugins.

git-svn-id: 44dc50bdcc0f5d1a212c497508dc9452e0b35e2b@16027 85f007b7-540e-0410-9357-904b9bb8a0f7

Lionel-Rieg/coq,TheTypoMaster/coq,Matafou/coq,amintimany/coq,pirbo/coq,letouzey/coq-wip,jpdeplaix/coq,Matafou/coq,herbelin/github-coq,letouzey/coq-wip,gares/coq,mattam82/coq,maximedenes/coq,ppedrot/coq,ejgallego/coq,ale-f/coq,TheTypoMaster/coq,ejgallego/coq,coq/coq,letouzey/coq-wip,maximedenes/coq,Ptival/coq,aspiwack/coq,maximedenes/coq,SkySkimmer/coq,Lionel-Rieg/coq,SkySkimmer/coq,JasonGross/coq,gares/coq,ppedrot/coq,TOSPIO/coq,shindere/coq,Matafou/coq,mattam82/coq,JasonGross/coq,JasonGross/coq,pirapira/coq2rust,gmalecha/coq,william-lawvere/coq,8l/coq,herbelin/github-coq,pirbo/coq,jhjourdan/coq,Ptival/coq,pirbo/coq,SkySkimmer/coq,Zimmi48/coq,jpdeplaix/coq,Zimmi48/coq,gmalecha/coq,jhjourdan/coq,jhjourdan/coq,asr/coq,TOSPIO/coq,silene/coq,SkySkimmer/coq,maximedenes/coq,coq/coq,mlasson/coq,TOSPIO/coq,ppedrot/coq,asr/coq,amintimany/coq,asr/coq,ejgallego/coq,TheTypoMaster/coq,aspiwack/coq,Zimmi48/coq,coq/coq,maximedenes/coq,shindere/coq,8l/coq,silene/coq,herbelin/github-coq,barras/coq,pirapira/coq2rust,pirapira/coq2rust,coq/coq,mlasson/coq,william-lawvere/coq,letouzey/coq-wip,aspiwack/coq,letouzey/coq-wip,gmalecha/coq,ejgallego/coq,barras/coq,mattam82/coq,ale-f/coq,shindere/coq,Ptival/coq,8l/coq,barras/coq,ale-f/coq,JasonGross/coq,silene/coq,william-lawvere/coq,mlasson/coq,amintimany/coq,Lionel-Rieg/coq,ppedrot/coq,gares/coq,gares/coq,ppedrot/coq,Zimmi48/coq,jpdeplaix/coq,gares/coq