Merge pull request #14 from scality/scality_svn

 use malloc() instead of alloca()
Merge pull request #15 from scality/scality_svn

 dplsh: hitting CTRL-C should not terminate the process
Merge pull request #16 from scality/scality_svn

Scality svn
Merge pull request #17 from scality/scality_svn

Scality svn
Merge pull request #18 from scality/scality_svn

Scality svn
Merge pull request #20 from scality/scality_svn

 dpl_rename takes a dpl_ftype_t to specify the type of object to rename
 droplet-sh: cmd_get.c: add an option to overwrite local file