Update the software lifecycle table

Author: meshcollider

_includes/posts/_maintenance-table.md

@@ -3,6 +3,8 @@
 | 0.10 | 2015-02-16 | 2016-02-29  | 2017-02-28 |
 | 0.11 | 2015-07-12 | 2016-08-23  | 2017-08-01 |
 | 0.12 | 2016-02-23 | 2017-03-31  | 2018-02-28 |
-| 0.13 | 2016-08-23 | after v0.15 | TBA        |
-| 0.14 | 2017-03-08 | after v0.16 | TBA        |
-| 0.15 | TBA*       | after v0.17 | TBA        |
+| 0.13 | 2016-08-23 | 2017-09-15  | 2018-08-01 |
+| 0.14 | 2017-03-08 | 2018-02-26  | TBA        |
+| 0.15 | 2017-09-15 | after v0.17 | TBA        |
+| 0.16 | 2018-02-26 | after v0.18 | TBA        |
+| 0.17 | TBA*       | after v0.19 | TBA        |