General log information appear several time in composite applications
Description
Since MR !42 (merged) has been merged, general logs appear several times for composite applications. See for instance the new Connected Components app :
$ ~/dev/build/otb/bin/otbcli_LargeScaleConnectedComponent -in image.tif -expr "distance < 50" -out cc.sqlite -fusion 1 -minsize 50
2018-04-13 17:30:44 (INFO): Default RAM limit for OTB is 128 MB
2018-04-13 17:30:44 (INFO): GDAL maximum cache size is 190 MB
2018-04-13 17:30:44 (INFO): OTB will use at most 4 threads
2018-04-13 17:30:44 (INFO): Default RAM limit for OTB is 128 MB
2018-04-13 17:30:44 (INFO): GDAL maximum cache size is 190 MB
2018-04-13 17:30:44 (INFO): OTB will use at most 4 threads
2018-04-13 17:30:44 (INFO): Loading kwl metadata from attached geom file image.geom
2018-04-13 17:31:00 (INFO): Elapsed: 15.923 seconds.
2018-04-13 17:31:00 (INFO): Estimated memory for full processing: 286.064MB (avail.: 128 MB), optimal image partitioning: 3 blocks
2018-04-13 17:31:00 (INFO): File cc.sqlite_labelmap.tif will be written in 4 blocks of 5000x1251 pixels
Writing cc.sqlite_labelmap.tif...: 24% [************ ]2018-04-13 17:31:00 (WARNING): Skipping GCPs saving to prevent GDAL from assigning a WGS84 projref to file (cc.sqlite_labelmap.tif)
Writing cc.sqlite_labelmap.tif...: 100% [**************************************************] (1 seconds)
2018-04-13 17:31:02 (INFO): Default RAM limit for OTB is 128 MB
2018-04-13 17:31:02 (INFO): GDAL maximum cache size is 190 MB
2018-04-13 17:31:02 (INFO): OTB will use at most 4 threads
2018-04-13 17:31:02 (INFO): Loading kwl metadata from attached geom file cc.sqlite_labelmap.geom
2018-04-13 17:31:02 (INFO): Estimated memory for full processing: 286.064MB (avail.: 128 MB), optimal image partitioning: 3 blocks
2018-04-13 17:31:02 (INFO): Estimation will be performed in 4 blocks of 5000x1251 pixels
Retrieve region count...: 100% [**************************************************] (0 seconds)
2018-04-13 17:31:03 (INFO): Number of tiles: 10 x 10
2018-04-13 17:31:03 (INFO): Sums calculation ...
2018-04-13 17:31:04 (INFO): Building LUT for small regions merging ...
Steps to reproduce
https://dash.orfeo-toolbox.org/testDetails.php?test=70374948&build=316354
Configuration information
All builds affected.