Reflow license text and add copyright year and name
Reflow license text and add copyright year and name

 * Format license text and header to fit within 80 characters per line
 * Remove extra top line from LICENSE file for Apache-2.0
 * Remove the FreeBSD-specific disclaimer from the BSD-2-Clause license
 * Use {{ .copyright }} to add "Copyright © YEAR FULL NAME" to the
   LICENSE file for MIT and BSD licenses.

sdomino/cobra,anthonyfok/cobra,liggitt/cobra,eparis/cobra,gosuri/cobra,spf13/cobra