Merge pull request #29 from mgoldbeck/dev-searchcommons

[TASK] adjust to TYPO3CR.SearchCommons to TYPO3CR.Search package name change; forward-ported bugfix on master
[TASK] index dimensionsCombinations especially languages

mainly same functionality like in https://github.com/kitsunet/Flowpack.SimpleSearch.ContentRepositoryAdaptor
Merge pull request #32 from Flowpack/dev-searchcommons

[TASK] merge branch dev-searchcommons into master
[TASK] adjustment to renaming

languages in dimensions is now called language
[FEATURE] indexing dimensions 'not_analyzed'
Merge pull request #30 from mgoldbeck/dimensions

[TASK] index dimensionsCombinations especially languages
Merge pull request #33 from Flowpack/dimensions

[TASK] Dimensions support
[TASK] adding versioning to README
Merge pull request #34 from mgoldbeck/script-elastic130

[!!!][TASK]  Raise ElasticSearch Version Dependency to 1.2.0 - NEEDS ADDITIONAL CONFIGURATION of ElasticSearch

Please check the README to understand the relevant ElasticSearch configuration which needs to be done
in elasticsearch.yaml.
[FEATURE] add settingsKey when creating the index 

With the settingsKey it is possible to set further
Configuration for the Index by using the alias