Several minor changes for the release process.
Several minor changes for the release process.

* dist.sh:
  (major, minor, patch): do the replace globally, in order to get rid of
    trailing CRLF whitespace
  (...): if the versions don't match, then print them out
  (...): save the CRLF export as .win

liuzongquan/serf,krime/serf,wzugang/serf,justinweb/serf,sworda/serf,krime/serf,muthusuba/serf,muthusuba/serf,idomon/serf,idomon/serf,sworda/serf,idomon/serf,TommyU/serf,Manouchehri/serf,liuzongquan/serf,blueszhangsh/serf,justinweb/serf,blueszhangsh/serf,idomon/serf,Manouchehri/serf,TommyU/serf,blueszhangsh/serf,justinweb/serf,blueszhangsh/serf,liuzongquan/serf,sworda/serf,wzugang/serf,Manouchehri/serf,krime/serf,TommyU/serf,wzugang/serf,liuzongquan/serf,Manouchehri/serf,TommyU/serf,justinweb/serf,krime/serf,wzugang/serf,sworda/serf,muthusuba/serf,muthusuba/serf