In relation to data collection this commit introduces:

  - data collector for temperature (parsing sensors)
  - Heating testing for determinate the Zero Emission Ratio of the computer.

 In relation to reports this commits introduces:

  - Consumption report for computer usage (CPU Load, Zero Emission Ratio, Memory)
  - Consumption report for partitions (CPU Load and Memory)
  - All consumption reports uses TioSafe XML Format

  It is required to update the cpu_percent after a while to have more
  accurate values.

slapproxy tests: catch correct exception when testing if started, always stop proxy even in case of error in setup.

as part of the migration to 'requests'

slapos format: fix use_unique_local_address_block feature, and put default to false in configure_local.

Correct fix.

alter_user is true again by default.
This reverts commit 266d0869.
This code has nothing to do with partition chown.

slapos.grid: Adapt retention_delay implementation to support retention_delay being specified in SLA.

This reverts commit 0387648c.

To be able to wrap on all text editors.