[Release 2.6.0] Update CHANGELOG
# Change Log
+# [2.6.0] - 2017-03-28
+## Added
+* Sources
+ * A table for managing SHARE data sources
+ * Replaces the apps in the providers folder
+* SourceConfigs
+ * A table for managing different methods of acquire data from given source
+ * Replaces nested apps/app labels
+* HarvestLogs
+ * First class support for managing harvesting/back harvesting
+* Source Unique Identifiers
+ * First class representation of what was RawData.provider_doc_id
+* The Django admin now supports starting harvesters over long periods of time
+* Support for the MODs OAI PHM prefix
+
+## Removed
+* Provider Django applications have been removed
+* Source specific fields have been removed from ShareUser
+
+## Changed
+* Harvesters have been relocated to share/harvesters/
+* Various renaming/vocabulary changes
+ * RawData -> RawDatum
+ * Favicon -> Icon
+ * Provider -> Source
+ * Provider App -> SourceConfig
+ * Normalizer -> Transformer
+* Updates to the getting started guide
+* Squashed migrations to speed up local development
+* Harvesters are now expected to return utf-8 strings
+* Sources are no longer tied to the ShareUser model
+
## [2.5.0] - 2017-03-15
## Added
* Title now has an "exact" multi-field in elasticsearch
