Add stamp-h1 to ignored files
Add stamp-h1 to ignored files

The file stamp-h1 only contains a timestamp for config.h - actually the
files timestamp itself serves with this information. Therefore it
actually cannot be of interest not to ignore it.

bruennijs/ise.cppworkshop,szymanskirafal/gitignore,bruennijs/ise.cppworkshop,bruennijs/ise.cppworkshop,chhsieh/helloworld,szymanskirafal/gitignore,szymanskirafal/gitignore,chhsieh/gitTest_1