Move JS graph specs to match assets tree.

586d1a9b · Connor Shea · 81f46054 · 586d1a9b · 586d1a9b · 586d1a9b
--- a/spec/javascripts/stat_graph_contributors_graph_spec.js
+++ b/spec/javascripts/stat_graph_contributors_graph_spec.js
--- a/spec/javascripts/stat_graph_contributors_util_spec.js
+++ b/spec/javascripts/stat_graph_contributors_util_spec.js
--- a/spec/javascripts/stat_graph_spec.js
+++ b/spec/javascripts/stat_graph_spec.js