[Fix] Image mover didn't work with 2G, works with 2048M
Merge pull request #37 from ho-nl/dev

1.5 Lock Attributes, FTP downloader and ZIP decompressor
Ability to setLogfile and getLogfile
[Feat] Added lock attributes functionality to categories.
Update upgrade-1.5.0-1.5.1.php
Update install-1.5.0.php
[PBM-362] Add archive functionality so old imports can be searched.
Merge branch 'archive' into dev