update command line usage docs

* Fixed image driver history file name timetamp - now is timstep-beginning

* Added release notes about PR UW-Hydro#635 (fixing image driver history filename
timestamp)

Added an if statement so that when VIC is run on multiple nodes,
only the master node will validate state file dimensions and coordinate variables.

Use multiple processors for image restart tests

Fixing a problem with image restarts when using multiple processors

…communicating with the coupler

…ending)

* Fixed a bug when calculating steps of forcing to skip - should round to
integer first before converting to int type to prevent possible 1-timestep wrong offset

* Added bug fix release notes to PR#639

…an int in gather_put_nc_field_int fctn

(Fixing a problem with image restarts when using multiple processors).

…run function

…ic_cesm_run function because adding this logic to vic_cesm_init instead"

This reverts commit 7e28f13.

…er type (UW-Hydro#645)

* Added check to ensure mask varible in domain file is integer type

* Cleaned up some printing lines

* Added get_nc_var_type.c

* Minor update of comments and ReleaseNotes

* Added domain file description in docs

* Small fix of table in docs

* Added ncdump -h results for domain file in docs

* Minor docs update

* Added check to ensure mask varible in domain file is integer type

* Cleaned up some printing lines

* Added get_nc_var_type.c

* Minor update of comments and ReleaseNotes

* Added domain file description in docs

* Small fix of table in docs

* Added ncdump -h results for domain file in docs

* Minor docs update

* The input arguments to function `make_lastday` are sometimes in a wrong
order - fixed the bug

* Added ReleaseNotes regarding PR#647

…ebug_CESM_driver

…otfix/5.0.1"

This reverts commit a9a202b, reversing
changes made to bbf7d9a.

This reverts commit 72a56a5.

…was updated in VIC 5

…ce this was updated in VIC 5"

This reverts commit e7192c5.

…sues