Fix --dumb mode, it was previously broken by previous change
Fix special case for Private SQ

In some case it is easy to empty a private SQ, so simply let the user do it.
Merge branch 'release'
Add a simple example to remove in place attribute values
Make sure input is a directory
Prevent user to mix dumb and start at same time
Merge branch 'release'
Remove warnings from compiler output
Use ret value
Some typo in the man pages were fixed
Fix two remainings issues with Keywords.

1. Generic Group Length are not stored directly in the hash table but in a fake element. Fixed gdcm::Dicts
2. Make sure to not output empty keyword attribute. This is not required by the standard anyway.
Add MediaStorage for VideoEndoscopicImageStorage
Yes another fix for OpenIndiana
start using strsignal when possible
Remove missing symbol
Same patch as d502786de
Another fix for OpenIndiana system (sun machine)
Import from master branch
Import from master branch
Fix Java compilation on OpenIndiana