perlPackages: Add ocharles to maintainers for all packages he's contributed

Close #979.

vcunat edit: in one case the lines were added into "src" attribute
instead of "meta".
Add MegaCli, a command line tool to manage certain RAID cards.
Fix upower warning

Namely "libgcc_s.so.1 must be installed for pthread_cancel to work".
systemd: Add kexec support
linux: Update to 3.4.62
quassel: update to 0.9.0