tox: Bump NumPy to two latest release series

Namely

    1.8.x, 1.9.x -> 1.10.x -> 1.11.x

tox.ini

 # wendelin.core | tox setup
 [tox]
-envlist = py27-ZODB3-{zblk0,zblk1}-{fs,zeo,neo}-{numpy18,numpy19}, {py27,py34}-ZODB4-{zblk0,zblk1}-{fs,zeo}-{numpy18,numpy19}
+envlist = py27-ZODB3-{zblk0,zblk1}-{fs,zeo,neo}-{numpy110,numpy111}, {py27,py34}-ZODB4-{zblk0,zblk1}-{fs,zeo}-{numpy110,numpy111}
 # (NOTE ZODB3 does not work on python3)
 # (NOTE NEO does not work on ZODB4)
 
@@ -23,8 +23,8 @@ deps    =
     # zeo: ZEO is already required by ZODB, but for testing utilities from ZEO we also need:
     zeo:    zope.testing
 
-    numpy18: numpy >=1.8.2, <1.9.0
-    numpy19: numpy >=1.9.2, <1.10.0
+    numpy110: numpy >=1.10.4, <1.11.0
+    numpy19: numpy >=1.11.0, <1.12.0
 
 setenv =
     fs:  WENDELIN_CORE_TEST_DB=<fs>