* upgrade some broken packages
* correct some broken urls/checksums
* use secure urls where possible
* use stable url for ncurses
* some whitespace fixes
Remaining md5sums either didn't download or
didn't pass checksum tests.
The "git flow" way to organize branches in a large team has gained some
popularity in the recent years. Let's package it for use with MSys2.
See http://nvie.com/posts/a-successful-git-branching-model/ for more
details about this branching model.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>