FM-1523: Added module summary to metadata.json
Allow array of pathes in validate_absolute_path
FM-1523: Added module summary to metadata.json
Added a note that stdlib no longer ships with PE 3.7+

Users didn't realize we stopped shipping stdlib module with PE. I added this information to the stdlib readme.
(MODULES-444) Add specs for new behaviour

`concat` can now take multiple arguments
(MODULES-444) Acceptance test for primitives

`concat` should be able to concat arrays and primitives
(MODULES-444) Acceptance for multiple arrays

Acceptance test to take multiple arrays for concatenation
(MODULES-444) Change test to > 2 arguments

Also add extra test for just 1 argument
(MODULES-444) - Check for accepting > 2 args
(MODULES-444) Update docs with new functionality
(MODULES-444) Change argument restriction to < 2
(MODULES-444) - Real meat of the change

This is the core change, we now go through the array and add it to the first element, instead of just two arguments.
Update .travis.yml, Gemfile, Rakefile, and CONTRIBUTING.md
Merge pull request #376 from cmurphy/master

Update .travis.yml, Gemfile, Rakefile, and CONTRIBUTING.md
4.5.0 prep
Merge pull request #381 from mhaskel/4.5.0-prep

4.5.0 prep
Update README for updated member() functionality
Merge pull request #383 from mhaskel/doc_update

Update README for updated member() functionality
Merge pull request #370 from jbondpdx/master

FM-1523: Added module summary to metadata.json
Merge pull request #373 from jbondpdx/stdlib-readme-fix

Add to Readme: Stdlib no longer ships with PE