Changes

Removing l_interp_prescribed_params from setup_clubb_pdf_params.
The flag has been removed and so has any code underneat a logic statement
involving this statement unless it has multiple flags. The else statement
in the if block involving this flag has been set to execute without an
if block.
For ticket #916
Results are BFB identical. Additionally, complex logic statements
with the use of more flags had those flags adjusted and BFB results
were also confirmed with these changes.

Modifying run_timestep_tests.bash to run only 10 minute and above timesteps and exit immediately if the 10 mintue timestep fails. larson-group/sys_admin#749

Adding new timestep test to clubb jenkins tests. larson-group/sys_admin#749

Fixing false printing of "All cases ran to completion."

Updating clubb_tuner.F90 to resolve an issue where the optimized tunable_parameter_*.in file was not being created by default.  Now it will always be created when the tuner is run, as it should be.

Also updating a number of input_misc/tuner/error_*.in tuner setup files to ensure that C1 is not tuned by default.  If C1 is tuned but C14 is fixed, this causes CLUBB to crash since it requires C1=C14.

See #939.

Updating wording

Adding in the Mstandard flag to the pgi compiler settings.
For ticket #928.
Results are BFB identical.

Updating pyplotgen.py and README to clarify file name mismatch error and how to resolve it.

See #895.

Fixing typo.

Clarifying README.

Placing line breaks in the new error message and minor wording updates.

See #895.