Prevent extraction of superfluous block tokens by the Java language module

[tsaglam]

Adapts the Java language module to no longer extract the block tokens }INIT and INIT{. Begin and end tokens are still extracted for control structures such as if, else, and for. As a consequence, the following two source codes will produce the same tokens:

if(condition) {
    foo();
} else {
    bar():
}

if(condition)
    foo();
else
    bar():

I added two test cases to the Java language module for this behavior.

As the underlying changes in this PR affect the token extraction for Java code, the test cases needed to be adapted. As a few test files were now too short (fewer tokens --> matches below MMT) I also adapted some test resources. The E2E test values were also updated.

This PR addresses #373.

[sonarcloud]

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