changed documentation so it can be built by readthedocs
added sql syntax highlighting to docs

Conflicts:
	docs/sql/aggregation.txt
	docs/sql/reference/select.txt
	docs/sql/reference/update.txt
increased version of admin-ui
Merge pull request #750 from crate/b/read-the-docs

read the docs
prepare release 0.37.0
fix: raise an error if same column is defined more than once on
     table creation
prepare release 0.37.1
update CHANGES
moved sql xcontent parsing to rest action
client depends only on 'shared' resources from 'sql' package now
exclude duplicates at client jar task
exceptions are not needed anymore at sql shared resources