Created knowledgeDB client base. Does not yet allow for queries, but should start a connection. Also put intelliJ project files in gitignore.
Modified KnowledgeDBClient. Added methods for executing single and queries parameterized queries.

Added Queries class for the queries.

Added Row class for parsing a row from a ResultSet.

Added comments for all classes.
Added missing Row class.
Added and fixed missed/bad comments.
Fixed some comments found by Arjen.
Merge pull request #50 from AgileManufacturing/knowledgeDatabaseClient

Knowledge database client
Moved the classes to a new package (rexos.libraries.knowledge).
Fixed header comments.
Merge pull request #51 from AgileManufacturing/knowledgeDatabaseClient

Moved the classes to a new package (rexos.libraries.knowledge).
chanches
Merge remote-tracking branch 'origin/development' into development
Merge remote-tracking branch 'origin/development' into development
Merge branch 'development' of https://github.com/AgileManufacturing/HUniversal-Production-Utrecht into development

Conflicts:
	src/libraries/rexos_knowledgeDB_client/src/rexos/libraries/knowledge/Queries.java
added comments for param
added commends