Add _.forEachRight, _.forInRight, _.forOwnRight, _.findLast, _.findLastIndex, and _.findLastKey methods. [closes #309]

Former-commit-id: 7097f79e278bf2dfacfed449ce5f64a2dc19a662

test/test-build.js

@@ -97,6 +97,7 @@
       'compact',
       'difference',
       'findIndex',
+      'findLastIndex',
       'first',
       'flatten',
       'indexOf',
@@ -125,8 +126,10 @@
       'every',
       'filter',
       'find',
+      'findLast',
       'findWhere',
       'forEach',
+      'forEachRight',
       'groupBy',
       'indexBy',
       'invoke',
@@ -167,8 +170,11 @@
       'cloneDeep',
       'defaults',
       'findKey',
+      'findLastKey',
       'forIn',
+      'forInRight',
       'forOwn',
+      'forOwnRight',
       'functions',
       'has',
       'invert',
@@ -279,8 +285,14 @@
     'createCallback',
     'findIndex',
     'findKey',
+    'findLast',
+    'findLastIndex',
+    'findLastKey',
+    'forEachRight',
     'forIn',
+    'forInRight',
     'forOwn',
+    'forOwnRight',
     'indexBy',
     'isPlainObject',
     'merge',