Merge pull request #1303 from taosdata/beta/v1.6.6.1

[update version info for v1.6.6.1]

src/util/src/version.c

 char version[64] = "1.6.6.1";
 char compatible_version[64] = "1.6.0.0";
-char gitinfo[128] = "f031b308b76837a792d58a61f48179a9082606d9";
-char gitinfoOfInternal[128] = "67c22fa076de3e4bc1b0b65666dd360b14c3c32a";
-char buildinfo[512] = "Built by root at 2020-03-02 22:37";
+char gitinfo[128] = "0b5b412ef0ae2449ece538601a29b899b2b727b9";
+char gitinfoOfInternal[128] = "8ae0d83a3610b9b4726373dd3073e4a8f444fb26";
+char buildinfo[512] = "Built by root at 2020-03-03 17:26";
 
 void libtaos_1_6_6_1_Linux_x64_beta() {};