node.js: Added npm.cmd executable
node.js: Fixed node-gyp executables
node.js: Copy missing npm manpages
Merge pull request #218 from elieux/master

node.js: npm, node-gyp executables and npm manpages
nodejs: Add David Macek as contributor
atom-shell: WIP
atom-shell: Add makedepends of ${MINGW_PACKAGE_PREFIX}-python2
p11-kit: Update to 0.21.3