- Drop patch procps-ng-4.0.0-aix_sortformats.dif as replaced by
upstream patch 0002-ps-restore-aix-behavior-while-keeping-an-original-fi.patch
- Add upstream patches
* 0001-top-update-one-function-prologue-after-rcfile-change.patch
* 0003-ps-restore-thread-display-when-using-a-pidlist-optio.patch

- Drop not needed patch procps-ng-3.3.9-watch.patch as the API
has changed here

- Add patch procps-ng-4.0.0-floats.dif to avoid float errors on
32bit architectures

- Add patch procps-ng-4.0.0-aix_sortformats.dif to restore AIX sort
format support as well

- Update to procps-ng-4.0.0
+ Warning: new shared library interface with libproc-2
* Rename pwait to pidwait
* free: Add committed line option merge #25
* free: Fix -h --si combined options issue #133, #223
* free: Fix first column justification issue #229, #204, #206, Debian #1001689
* free: Better spacing for Chinese language issue #213
* library: renamed to libproc-2 and reset to 0:0:0
* library: add support for accessing smaps_rollup issue #112, #201
* library: add support for accessing autogroups
* library: add support for LIBPROC_HIDE_KERNEL env var merge #147
* library: add support for cpu utilization to pids i/f
* pkill: Check for lt- variants of program name issue #192
* pgrep: Add newline after regex error message merge #91
* pgrep: Fix selection where uid/gid > 2^31 merge !146