grunt-esri-slurp implementation and clean up
Added npm install to travis build
Fixed grunt-esri-slurp version number.
Merge pull request #74 from agrc/grunt-esri-slurp

grunt-esri-slurp implementation and clean up
Show search results in grid

Search results are now displayed in grid grouped by query layer.

Closes #71
Merge branch 'search-in-grid' of https://github.com/agrc/deq-enviro into search-in-grid

* 'search-in-grid' of https://github.com/agrc/deq-enviro:
  Show search results in grid

Conflicts:
	.gitignore
	src/app/search/ResultsGrid.js
	src/app/search/Search.js
	src/app/search/tests/ResultsGridTests.html
	src/app/search/tests/spec/SpecResultsGrid.js
	src/app/tests/data/DEQEnviro.json