add provenance

@@ -12,6 +12,7 @@
   - Need traceability of data.
     - For later examination, changes, etc.
     - For authorship, credit.
+  - Data provenance, version control, from raw data to final state
 
 ** Workshop discussions and findings
   - How different ice core communities collect and document data from
@@ -28,14 +29,14 @@
 ** Action items
   1. Create a master list of ice cores based on
      - https://en.wikipedia.org/wiki/List_of_ice_cores
-     - Ice Reader 
+     - Ice Reader
      - NSF ice core facility data base
   2. Single acess portal for data search and retrieval in a format
      suitable for the end user
   3. Create an ice core specific data-center submission process
   4. Create a community-driven Wiki http://wiki.icecoredata.org that
      will document ice core methods.
-  5. Publish methods: ice core processings, sampling, measurements 
+  5. Publish methods: ice core processings, sampling, measurements
      - Methods can be published in some journals.
      - Those publications can be referenced from the above Wiki for
        easy finding by the community.
@@ -46,4 +47,4 @@
     changes.
 
 * TODO
- 1. ADD LIST of participants/contributors
\ No newline at end of file
+ 1. ADD LIST of participants/contributors