This reverts commit 9e6e98fbf132f1c7ef795dee9d0eb3193332a5ee. bzr revid: p_christ@hol.gr-20100713102744-rnu3vq3a2wjqmbyf
To be done: ----------- * Test to not create several times the same file / directory -> May be put a sql_constraints uniq on several files -> test through remove or put * Retest everything