purged ctags code and moved autoloading into interpreter
removed ctags tests
other fixes
split out failing stl test
fwd tool: generates forward declarations from given file
autoloading visitor
Adapt tests for the newly produced diagnostics.
Put AutoloadingVisitor.cpp in cmake.
Use absolute paths to locate packaging scripts
Use RFC 2822 format in timestamp for cross-platform compatibility
Use cat command and EOT to print large messages instead of echo
Also check Cygwin when --check-requirements is passed (to keep users happy)

This may also be useful (in future) if some user launches CPT using MSYS
Also remove some extra instructions. We can provide a link to the
documentation when it is complete.
Automatically resolve missing dependencies in Ubuntu

This may not be so straight in case of Cygwin.
Disable installing LLVM/Clang libraries in all other cases
Add entries of docs and share for Cling in dist-files.mk
Copy sample documentation and man page from Clang

The contents are temporary and will be made Cling specific in future.
Also generate Cling's HTML documentation and man pages during "make install"
Update cling.pod
Add new options to generate an NSIS installer
Implement live check for latest version of NSIS
Replace cURL with wget to enable recursive downloading