* [curl] Add support of different features.
Default-Features: openssl, http2, ssh (as in previous builds)
Feature: curl
Description: Builds curl executable (placed in the /tools directory)
Feature: http-only
Description: Disables all protocols except HTTP/HTTPS/HTTP2
Feature: http2
Build-Depends: nghttp2, openssl
Description: HTTP2 support (requires openssl)
Feature: openssl
Build-Depends: openssl
Description: SSL support via OpenSSL
Feature: winssl
Description: SSL support via Schannel
Feature: ssh
Build-Depends: libssh2
Description: SSH support via libssh2
* [cpr] Add features of the curl library.
* [cpr] Remove transitive features
* [curl] Remove http2 from default features. Remove winssl feature. Rename "curl" feature to "tool".
* [curl] Fixup curl -> tool renaming
* [curl] Further refactoring of WINSSL/Openssl -- use single ssl feature.
Due to changes in curl's CMake support, where it now installs .cmake
files, we now have to make sure that they are installed into the correct
directory (and not duplicated into the debug/share/ directory, either).
Also, a change in the context of the 2nd patch required an update of
said patch.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>