Bug fixes for GNU/Linux, macOS and Windows machines

Alpha release of vim updater

This release may contains some bugs and problems

Please, report issue here or open a pull request here

Changes:

• Fixed troubles with incorrect sudo password
• Fixed troubles with detect OS version on Linux2 platform
• Fixed fatal: not a git repository (or any of the parent directories): .git error then UPDATER_DIR only exist
• Added partial Windows "support"

Known Issues:

• Potential unhandled exception on Linux machines
• Detected trouble with terminal library on Linux Mint (and probably other Linux distro)

no terminal library found
checking for tgetent()... configure: error: NOT FOUND!
You need to install a terminal library; for example ncurses.
Or specify the name of the library with --with-tlib.