Merge branch 'release/0.6.4' into develop
change test suite to mocha, remove zombie and use phantomjs to scrape oauth2 authz code
add tooling api
check and throw callbacked error
fix to return promise object when called sobject methods
add blob field access in record reference
add queryAll, search, recently viewed items support
add analytics api
change test timeout
avoid native build by changing xml2json to xml2js
change ver to 0.7.0
updated README.md
Merge branch 'release/0.7.0'

Conflicts:
	README.md
Merge branch 'master' into travis-ci

Conflicts:
	README.md