create core-java-io module (#3397)

* make sure modules using java8

* move url matching code

* upgrade boot parent

* minor cleanup

* fix blocking tests

* add core-java-io module

core-java-io/src/test/resources/.gitignore

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+*.class
+
+#folders#
+/target
+/neoDb*
+/data
+/src/main/webapp/WEB-INF/classes
+*/META-INF/*
+
+# Packaged files #
+*.jar
+*.war
+*.ear

core-java-io/src/test/resources/configuration.properties

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+# this is sample property file for PropertiesLoaderTest configuration needs
+! this is also a comment
+sampleConfEntry = sample String value
+colonSeparatedEntry : colon separated entry value

core-java-io/src/test/resources/test.find

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+Test of JNDI on file.

core-java-io/src/test/resources/testFolder/sample_file_1.in

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+Hello world

core-java-io/src/test/resources/testFolder/sample_file_2.in

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+Hello world !

core-java-io/src/test/resources/test_read.in

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+Hello world

core-java-io/src/test/resources/test_read1.in

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+Hello world 1

core-java-io/src/test/resources/test_read2.in

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+2,3 4

core-java-io/src/test/resources/test_read3.in

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+Hello 1

core-java-io/src/test/resources/test_read7.in

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+青空

core-java-io/src/test/resources/test_read8.in

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+Hello world 
+ Test line 

core-java-io/src/test/resources/test_read_d.in

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+John,Adam-Tom

core-java-io/src/test/resources/test_read_multiple.in

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+Hello world
+Hi, John