"filesystem levels" received new configuration options
Since 1.2.3i2, if tuple(int, int) is considered as absolute not percentage (break backwards compatibility).
For more information, see http://mathias-kettner.de/checkmk_migration_notes.html#H1:Migration to 1.2.3i2
And I create two node attributes: critical warning
Merge pull request #116 from obazoud/filesystem_levels

"filesystem levels" received new configuration options