Make header optional (like footer) when initializing Grid
Remove reference to initialize from comments
Add missing semicolon back
Revert "Remove reference to initialize from comments" because this may break a lot of things unnecessarily

This reverts commit bd4aa5aab6fc6fee7ea8126ca6c0faa610dceb65.
Test for #177. Closes #187
Revert "Replace all initialize with constructor. Close #296" because it may break a lot of things unnecessarily

This reverts commit 3bc46af24cf379debfa495d1b22fe00e84038e87.
Merge branch 'optional-header' of git://github.com/egeste/backgrid into egeste-optional-header
Fixed aliasing bug where a different cell instance will override all other instances' formatter options
More thorough tests for 6d7cce3ba4ae0a7f1eec2b52f4d22656dcff15d5
Add npm install to build steps
Fixed Cell rendering

Model was not correctly passed as arugment of the formatter
Merge pull request #324 from prdn/patch-1

Fix regression where model wasn't correctly passed to the formatter methods
Cont... fix for #324
Fixed importing into commonJS environment
Rename passedThruOptions to filteredOptions
Fix #322 BooleanCell should not still be clickable when the column is not editable
fix incorrect moment.js web site link
Merge pull request #358 from anthonywu/patch-1

fix incorrect moment.js web site link
Revert "Fixed importing into commonJS environment"

This reverts commit 072bddafd427920f39559ac8c1bf520d69989725.
Better to just return backgrid object