Solr Adapter - old Solr implementation refactoring - wip
Solr adapter wip
Solr - PHP client as a new module, adapter implementation
Indexer interface refact, indexer adapter interface refact, solr adapter update, solr php client as a separate module
Merge remote-tracking branch 'v2/develop' into feature/solr-adapter

Conflicts:
	module/Vivo/config/module.config.php
Indexer + Solr Adapter core functionality finished
MultiTerm query removed
Query parser
Query parser - wip
Solr Adapter update()
Solr PHP client classmap
Indexer adapter config and factory
QueryParser - Lexer
Lexer test
Forms - test ZF2 form - wip
Indexer QueryBuilder
Merge branch 'feature/solr-adapter' into feature/idx-query-parser
Indexer QueryBuilder, Parser, tests
Merge remote-tracking branch 'v2/develop' into feature/solr-adapter
Merge remote-tracking branch 'v2/develop' into feature/idx-query-parser