Merge pull request #1338 from smwyzi/master

#1332 merge 2.14 to master

Merge pull request #1328 from skilxnTL/master

merge 2.11 to master

issue=1299, update code to 2.7.0 (#1300)

issue=#1202 ts unload all tablets on exit (#1203)

issue=#null modify version 0.4.5 -> 0.4.6

issue=#null modify version from 0.5.4 -> 0.5.5

modify version from 0.5.3 -> 0.5.4

modify version 0.4.4 -> 0.4.5

issue=#1030 bugfix of multi-load at master initial phase

issue=#1030 bugfix of multi-load at master initial phase