Add isSameOrAfter and isSameOrBefore

docs/moment/05-query/04-is-same-or-before.md

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+---
+title: Is Same or Before
+version: 2.10.7
+signature: |
+  moment().isSameOrBefore(Moment|String|Number|Date|Array);
+  moment().isSameOrBefore(Moment|String|Number|Date|Array, String);
+---
+
+Check if a moment is before or the same as another moment.
+
+```javascript
+moment('2010-10-20').isSameOrBefore('2010-10-21');  // true
+moment('2010-10-20').isSameOrBefore('2010-10-20');  // true
+moment('2010-10-20').isSameOrBefore('2010-10-19');  // false
+```
+
+If you want to limit the granularity to a unit other than milliseconds, pass the units as the second parameter.
+
+As the second parameter determines the precision, and not just a single value to check, using day will check for year, month and day.
+
+```javascript
+moment('2010-10-20').isSameOrBefore('2009-12-31', 'year'); // false
+moment('2010-10-20').isSameOrBefore('2010-12-31', 'year'); // true
+moment('2010-10-20').isSameOrBefore('2011-01-01', 'year'); // true
+```
+
+Like `moment#isAfter` and `moment#isSame`, any of the units of time that are supported for `moment#startOf` are supported for `moment#isSameOrBefore`:
+
+```
+year month week day hour minute second
+```

docs/moment/05-query/05-is-same-or-after.md

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+---
+title: Is Same Or After
+version: 2.10.7
+signature: |
+  moment().isSameOrAfter(Moment|String|Number|Date|Array);
+  moment().isSameOrAfter(Moment|String|Number|Date|Array, String);
+---
+
+
+Check if a moment is after or the same as another moment.
+
+```javascript
+moment('2010-10-20').isSameOrAfter('2010-10-19'); // true
+moment('2010-10-20').isSameOrAfter('2010-10-20'); // true
+moment('2010-10-20').isSameOrAfter('2010-10-21'); // false
+```
+
+If you want to limit the granularity to a unit other than milliseconds, pass the units as the second parameter.
+
+As the second parameter determines the precision, and not just a single value to check, using day will check for year, month and day.
+
+```javascript
+moment('2010-10-20').isSameOrAfter('2011-12-31', 'year'); // false
+moment('2010-10-20').isSameOrAfter('2010-01-01', 'year'); // true
+moment('2010-10-20').isSameOrAfter('2009-12-31', 'year'); // true
+```
+
+Like `moment#isSame` and `moment#isBefore`, any of the units of time that are supported for `moment#startOf` are supported for `moment#isSameOrAfter`:
+
+```
+year month week day hour minute second
+```