removed leveldict as contribution
added missing plugin module
changed plugin duration to consider milliseconds
removed unused fields (dependencies, raw)
added fonction to cast to unicode
update plugin_result.py to return milliseconds
handle error raise on verify()
fix encode error in to_unicode
added timestamp util
simpler plugin result object
reduced output on plugin loading failure
Merge remote-tracking branch 'origin/testing' into 1.0.4
pep8 fixes
add error case status
fix probe missing message and add ftp upload error code
Merge remote-tracking branch 'origin/master' into 1.0.4
Merge branch '1.0.4' into feat-show-errors

Conflicts:
	irma/common/utils.py
distinguish between probelist not there and probe not available
add static method is_error to know is a status is ok or not
new status for scan 'uploading'