Merge branch 'master' into ltp-unittest
add strutils unittest
add gtest's include file
revise header include style
add unittest case
fix bug
forget utils_strpaste_unittest
add thirdparty/boost to resolve compiling error
add codecs unittest
input validity check
note error
examples/srl.cpp & srl
template_unittest & empty string check & srl example
Merge pull request #62 from ruoshui1126/gtest

template unittest & examples/srl & dll inpute empty check
merge and resolve conflict
merge ltp-unittest & fix conflict