Merge pull request #43 from guangyang/master

fixing format issue to make technet upload tool works
Updated to use version 0.10 of HDInsight cmdlets
Rename readme.md to _New-HDInsightCluster.md
Delete place-holder.txt
Revert "fixing format issue to make technet upload tool works"

This reverts commit 3b1e13d341008d33c6103f6b66bf78c489ddc523.