Added catalog option and parser configuration options
Refactored xml tools to use commons-cli
Updated Java version to 8, updated maven plugins
Moved xml_catalog project here
Renamed InputContext and OutputContext
Merged in migration to Java 8 and initial HTTP ...
Added Checkstyle, PMD, and FindBugs to etl-xml
Adjusted namespaces to be version independent
Added checkstyle to goals in pom file
Revised ETL number literals to be more Java-like
Made all places to use the single UTF-8 constant
Added FindBugs to parser.
Added PMD plugin to build
Fixed checkstyle problems
GrammarCompilerSession now uses Executor
Configuration parameter is now mandatory
Removed Executor-based catalog resolution
Split configuration into blocking and generic p...
Migrated logging to SLF4J
GrammarCompilerSession now uses Executor