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
Create README.md for CPT
Update README.md for CPT
No need to check if OS is Cygwin again
Enable querying of Windows registry for Visual Studio 11.0 installation
Remove message for MSVC

CPT can now check for Visual Studio 11.0 installation. Remove unnecessary message.
CPT: Update README.md
Delay fetching of tags for --last-stable

In case of a fresh clone of cling, script could not perform "git describe"
Fix typos in cling.pod