Continuation of commit 2fd4d7a6. MySQL dropped support for 'ignore',
unconditionally remove that to avoid issues with mismatching client + server
versions like in bug 3189.

Improve reported estimates of start and end times for pending jobs.
bug 3184

Cray: Prevent abort in backfill scheduling logic for requeued job that has
    been cancelled while NHC is running.
bug 3185

Old command line would not work with FreeBSD. New command line
  should work with all systems
bug 3021

Add mechanism to constrain kernel memory allocation using cgroups. New
    cgroup.conf parameters added: ConstrainKmemSpace, MaxKmemPercent, and
    MinKmemSpace.
bug 2917

Also replace string copies with setting of pointers for better
performance.

Modify DataWarb example to use an environment variable rather than absolute path

older versions.  This is fixed differently going forward, so we can
start warning about deprecated declarations again.

the way we use it and it also is deprecated, most likely since it
really isn't needed.

new glibc 2.24+ that depricates readdir_r.

Bug reported by Coverity

Add suppoprt for --mem_bind=prefer option to prefer, but not restrict memory
    use to the identified NUMA node.
bug 3126

Modify cpu_bind and mem_bind map and mask options to accept a repetition
    count to better support large task count. For example:
    "mask_mem:0x0f*2,0xf0*2" is equivalent to "mask_mem:0x0f,0x0f,0xf0,0xf0"
bug 3065

Remove include, this was merged into xstring.h with the
rest of the string functions.

This reverts commit 8bc8e7e6.

The slurm_strcasestr() which existed in v16.05 was removed in v17.02.

Found by Coverity

Fix for possibly treating a negative number as a positive.
Problem reported by Coverity.

Change the default syscfg path to /usr/bin/syscfg
Don't load the plugin if ResumeProgram is configured
Update documentation on web page

This applies only to knl_generic plugin. The original node active
features should be the same as the features field at startup.
The logic was assuming the original value was NULL.

This was a new function added to support knl_generic and it was
  originally assigned the wrong name.

Added node_features/knl_generic plugin for KNL support on non-Cray systems.
NOTE: This plugin is still under development.

Do not propagate SLURM_UMASK environment variable to batch script.
bug 2609

task/affinity plugin: Honor a job's --ntasks-per-socket and
    --ntasks-per-core options in task binding.
bug 3118