Adding comments to the changelog

Author: josenavas

CHANGELOG.md

@@ -4,6 +4,9 @@
 Qiita 0.1.0-dev (changes since Qiita 0.1.0 go here)
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+* Creating an empty RawData is no longer need in order to add a PrepTemplate. Now, the PrepTemplate is required in order to add a RawData to a study. This is the normal flow of an study, as the PrepTemplate information is available before the RawData information is available.
+* A user can upload a QIIME mapping file instead of a SampleTemplate. The system will create a SampleTemplate and a PrepTemplate from the information present in the QIIME mapping file.
+
 Version 0.1.0 (2015-04-30)
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