[Review] Request from 'schubi2' @ 'yast/yast-bootloader/review_140808_default_activate_value'

Please review the following changes:
  * 3e30d3c packaging
  * 9ebca4f taking default value true for activate

what actually works in past ( and probably is broken now) is this line https://github.com/yast/yast-bootloader/blob/master/src/clients/bootloader_auto.rb#L62 which should propose what is missing, but it probably skip location proposal - https://github.com/yast/yast-bootloader/blob/master/src/modules/BootGRUB2.rb#L142 ( but according to condition it is proposed. ). So probably problem is in https://github.com/yast/yast-bootloader/blob/master/src/include/bootloader/grub2/misc.rb#L995 which should be checked why it do not set properly activate flag.