Fix MooseArray::resize(size,default_value)

My proposed fix for: https://github.com/idaholab/moose/issues/4243
...which MooseBuild appears to only recognize as: #4243
Various improvements to PresentationBuilder code in support of building a presentation (#4095)
simply a test for scalar coupling #4253
Merge pull request #4244 from roystgnr/moosearray_fix

Fix MooseArray::resize(size,default_value)
move eigen option #4250
suffix vector material output with x,y,z closes #4241
this really should always error closes #3475
Ignore .json files (#4256)
Merge pull request #4259 from dschwen/ignorejson_4256

Ignore .json files
Merge pull request #4255 from friedmud/move_eigen_option_4250

move eigen option
test ElementIntegralMaterialProperty refs #2201
Merge pull request #4257 from friedmud/real_gradient_suffix_4241

suffix vector material output with x,y,z
add NumPicardIterations to the picard test closes #2201
Merge pull request #4251 from aeslaughter/css-4095

Various improvements to PresentationBuilder code
Merge pull request #4254 from friedmud/scalar_coupling_test

simply a test for scalar coupling
Merge pull request #4263 from friedmud/pp_tests_2201

Postprocessor Tests
Merge pull request #4258 from friedmud/pointvalue_error_3475

Better error for PointValue