indexing: solr config and mongo-connector
remove keywords.{1,2,3,...} fields from Solr
Merge pull request #11 from EUMSSI/indexing

Indexing: initial Solr connection
make twitter2eumssi preprocessor run continuously
added solr fields for mongo-connector
added source to solr schema
convert scripts to new DB layout
hopefully fix DW date conversion
many fixes to preprocessors
Merge pull request #12 from EUMSSI/db_layout

Db layout
start refactoring preprocessors
Solr schema: changed date type to tdate
preprocess: factored out EumssiConverter
Merge pull request #13 from EUMSSI/db_layout

Db layout
adapted API to new DB layout (not tested)
changing DB name for new server setup
Merge pull request #14 from EUMSSI/db_layout

adapted API to new DB layout (not tested)
fixing solr schema that was accidentally broken in 0c752c6bfd575a4d66932e3570bcdd2caaef61ad
add autocommit to mongo-connector
add reset and clean methods to EumssiConverter