* PocoDoc: support generation on Windows
* Replace hard code path with variables:
VC should be set to the path of the C++ compiler (cl.exe)
WDK should be set to the Windows Development Kit
* Update CHANGELOG with the latest 1.7.8p4 one
* Use appveyor.yaml from c++11 branch so that CI run ok.
* Use .travis.yml from the c++ branch so that Travis CI jobs run ok.
* Add c++11 scripts and Linux config so that Travis CI jobs are ok.
* Use mkdocumentation & mkrelease from c++11 branch.
* Use PocoDoc config files from c++11 branch.
* define POCO_ENABLE_C11 as the default
* CMake: ignore Crypto for now. To be fixed since it fails.
* Backport c++11 changes from the c++11 branch
* Add Cygwin config with c++11 setup.
* Update appveyor.yml from c++11 branch.