Create new Java based Play 2.2.1 application for OER API (see #9)

- `play new oer-api`
- `play eclipse with-source=true`
Update readme, add license headers and Travis CI config (see #9)
Make oer-api usable as a Play module in a lobid API instance (#9)
Add Elasticsearch dependency and sample usage (see #9)

Query Elasticsearch from controller, process JSON response, display
Access initial sample OER data in ES from controller (see #10)

Code for conversion and indexing not included, will be in oer-data
Set up basic query route and API documentation (see #11)
Set up oer-data - see #2, #5 and #8

* Add classpath, project and settings
* Add dependency to lodmill-rd
* Add data sources
* Add transformation rules
* Add JsonDecoder
* Add tests
Set up basic PUT write API with authorization (#12)
Add documentation on initial write API (#12)
Add a GET route to retrieve stored data by ID (#12)
Add code for transforming NT to JSON-LD and ES indexing (#10)
Add oer-data build and setup to Travis CI config and readme file
Fix oer-data build and tweak project setup

- switch dependencies to actually released versions
- disable code that does not work with these dependencies
- configure Java 1.7 in pom.xml and Eclipse project settings
- enable format and import save actions, format code
- remove unused code from pom.xml and update versions
- create versioned log/ directory required by logger
- use Guava instead of Commons IO
- set up .gitignore file
Index initial data set as compact JSON-LD in Elasticsearch (#10)

Crawl local N-Triples created with the Metafacture transformation,
create compact JSON-LD with non-compact arrays (Elasticsearch
requires consistent value types for a given key), index the result.
Merge pull request #21 from hbz/issue-10-index

Index initial data set as compact JSON-LD in Elasticsearch
Change org:hasMembership to schema:memberOf see #5
Merge branch 'master' of github.com:hbz/oerworldmap
Add snapshot dependency in pom.xml and update tests
Add snapshot dependency in pom.xml and update tests
Update pom.xml to use lobid 1.1.0-SNAPSHOT