Sort list quota correct

Correctly the Sorting is based on string and not the float value multiplied by kMGT.

changed target branch from master to stable-3.1

added 325 commits

• e8aec54f...a5cdc475 - 324 commits from branch ispconfig:stable-3.1
• b43c60a4 - Sort list quota correct

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added 1 commit

• 016b4c6a - Sort list quota correct

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added 1 commit

• 004ca1d9 - Sort list quota correct

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changed milestone to %3.2

merged

mentioned in commit 99d4a961