* 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 w3m tool is particularly useful when rendering HTML pages into plain
text, as Git for Windows needs to do with its release notes.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
