Add all moment static functions to deprecated global export

Fixes #1239
make moment.js compatible with older version of requirejs
Merge pull request #1293 from vafada/develop

make moment.js compatible with older version of requirejs
Handle iso format where Z is prefixed with spaces

In response to #1290
Merge pull request #1294 from ichernev/bugfix/iso-format-z

Handle iso format where Z is prefixed with spaces
correct the command to install grunt
Merge pull request #1296 from maiis/develop

correct the command to install grunt
Merge pull request #1264 from ichernev/bugfix/deprecated-export-static-methods

Add all moment static functions to deprecated global export
fixing lb linting
fix conflict between makeGlobal PRs