misc: Replace git:// and http:// with https://

Obtaining code over an insecure transport is a terrible idea for
blatently obvious reasons.  Even for non-executable data, insecure
transports are considered deprecated.

This patch enforces the use of secure transports in misc places.
All URLs are known to work.

Signed-off-by: Demi Marie Obenour <demi@invisiblethingslab.com>
Acked-by: Andrew Cooper <andrew.cooper3@citrix.com>

README

@@ -181,7 +181,7 @@ Python Runtime Libraries
 Various tools, such as pygrub, have the following runtime dependencies:
 
     * Python 2.6 or later.
-          URL:    http://www.python.org/
+          URL:    https://www.python.org/
           Debian: python
 
 Note that the build system expects `python` to be available. If your system
@@ -197,7 +197,7 @@ Intel(R) Trusted Execution Technology Support
 Intel's technology for safer computing, Intel(R) Trusted Execution Technology
 (Intel(R) TXT), defines platform-level enhancements that provide the building
 blocks for creating trusted platforms.  For more information, see
-http://www.intel.com/technology/security/.
+https://www.intel.com/technology/security/.
 
 Intel(R) TXT support is provided by the Trusted Boot (tboot) module in
 conjunction with minimal logic in the Xen hypervisor.

automation/build/debian/stretch-llvm-8.list

@@ -1,3 +1,3 @@
 # Strech LLVM 8 repos
-deb http://apt.llvm.org/stretch/ llvm-toolchain-stretch-8 main
-deb-src http://apt.llvm.org/stretch/ llvm-toolchain-stretch-8 main
+deb https://apt.llvm.org/stretch/ llvm-toolchain-stretch-8 main
+deb-src https://apt.llvm.org/stretch/ llvm-toolchain-stretch-8 main