[FS#826] Better implementation of upgrade system on lede

[LEDE Bugs]

The following task has a new comment added:

FS#826 - Better implementation of upgrade system on lede
User who did this - Piotr Dymacz (pepe2k)

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@piotr,

Take a look at this GSoC 17 project:
https://blog.freifunk.net/2017/05/30/gsoc-2017-attended-sysupgrade/
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More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=826#comment2748