do not limit java max heap size to 1g by default
added support to set 'refresh_interval' for tables
Merge pull request #638 from crate/l/refresh-interval-table-settings

added support to set 'refresh_interval' for tables
extend IndexWriterProjector to send the number of imported rows to its downstream
shard level projector fixes
implemented basic writer projector
Merge pull request #639 from crate/dobe/writerprojection

wip
FileReadingCollector: add support for directories and regex
use collectNode/indexWriterProjector to execute copy from

 - removed support for variables in the path. If we want to
   support that functionality it will be added back as
   something like format('%s...', sys.cluster.name)

   similar to the copy to statement.

 - injecting the Injector is necessary because the Client
   cannot be injected directly because of cyclic guice
   dependencies.
add options support to copy from
Merge pull request #628 from crate/m/crate_max_mem

do not limit java max heap size to 1g by default
fix NPE in copy from if table has no explicit primary key
only return affected rows for copy to
copy to docs
Merge pull request #656 from crate/dobe/copytodocs

Dobe/copytodocs
fixed export test by adapting to affected row result
allow for snapshot releases
less verbose sphinx build
fixed link
ignore eggs directory in sphinx
be more descriptive in release task docs
Merge pull request #665 from crate/dobe/snapreleases

Dobe/snapreleases