https://spark.desk.com/agent/case/16231 fixed typo for setDataMode function
fix issue mentioned in https://spark.desk.com/agent/case/16231
Revert "fix issue mentioned in https://spark.desk.com/agent/case/16231"

This reverts commit b0921927e24495b5330d82966a753869fa4b8dd9.
Merge pull request #95 from spark/master

Replace 'teapot' with fake device IDs
Merge pull request #96 from spark/master

Update shields.md
Merge branch 'master' into gh-pages
Document Spark.disconnect and Spark.connect