README.md update
README.md update

Update the README.md with basic instructions for building breakpad and
extracting stack traces from .dmp files.

Mendeley/breakpad,sinuos/breakpad,sinuos/breakpad,spthaolt/breakpad,gvaf/breakpad,Mendeley/breakpad,gvaf/breakpad,spthaolt/breakpad,Mendeley/breakpad,spthaolt/breakpad,gvaf/breakpad,sinuos/breakpad,Mendeley/breakpad,spthaolt/breakpad,sinuos/breakpad,gvaf/breakpad