Add ftp mirrors to the list of available mirrors
Change man page section from within txt2tags

Don't use sed to change the man page section from 1 to 8. Use the
postproc feature of txt2tags to do it.
Add extra spacing to txt2tags man pages

Makes it cleaner and certain that it won't confuse txt2tags.
Use new URL for the wiki page in slapt-getrc
Add reposetup man page
Add dialog for updating caches

Add a dialog, after the one that selects the mirrors, that asks if
package caches and SlackBuild caches will be updated.
Update reposetup.pot file
Update translations from transifex