gnu: java-stringtemplate: Get closer to fixing tests.

* gnu/packages/java.scm (java-stringtemplate)[arguments]: Set test-dir and
override default test target.  Keep tests disabled because they fail for
unknown reasons.
[inputs]: Add java-junit.

gnu: Rename stringtemplate4-4.0.6 to java-stringtemplate-4.0.6.

* gnu/packages/java.scm (stringtemplate4-4.0.6): Rename this...
(java-stringtemplate-4.0.6): ...to this.
(antlr3)[propagated-inputs]: Adjust accordingly.

gnu: Rename stringtemplate4 to java-stringtemplate.

* gnu/packages/java.scm (stringtemplate4): Rename this...
(java-stringtemplate): ...to this.
(stringtemplate4-4.0.6)[inherit]: Adjust accordingly.
(antlr3)[inputs]: Likewise.

gnu: stringtemplate4: Prettify "generate-grammar" phase.

* gnu/packages/java.scm (stringtemplate4)[arguments]: Rewrite
"generate-grammar" phase to use "with-directory-excursion" and to report
success or failure.

gnu: stringtemplate4: Inherit from java-stringtemplate-3.

* gnu/packages/java.scm (stringtemplate4)[inherit]: Add
"java-stringtemplate-3" as parent.
[home-page, synopsis, description, license]: Inherit from parent.

gnu: java-stringtemplate-3: Use return value in build phase.

* gnu/packages/java.scm (java-stringtemplate-3)[arguments]: Let
build phase "generate-grammar" return success or failure.

gnu: java-stringtemplate-3: Enable tests.

* gnu/packages/java.scm (java-stringtemplate-3)[arguments]: Enable tests; add
build phase to fix tests.

gnu: java-stringtemplate-3: Do not hardcode version string.

* gnu/packages/java.scm (java-stringtemplate-3)[arguments]: Take current
version string.

gnu: Rename stringtemplate3 to java-stringtemplate-3.

* gnu/packages/java.scm (stringtemplate3): Replace this...
(java-stringtemplate-3): ...with this.
[name]: Change to "java-stringtemplate".
(stringtemplate4)[inputs]: Adjust accordingly.
(stringtemplate4-4.0.6)[inputs]: Likewise.
(antlr3)[inputs, propagated-inputs]: Likewise.
(antlr3-3.3)[propagated-inputs, arguments]: Likewise.
(antlr3-3.1)[propagated-inputs]: Likewise.

gnu: antlr2: Minor stylistic changes.

* gnu/packages/java.scm (antlr2)[source]: Fix indentation; end snippet on #t;
add comment next to disabled tests.

gnu: antlr2: Simplify build phases.

* gnu/packages/java.scm (antl2)[arguments]: Simplify build phases.

gnu: Add java-javax-mail.

* gnu/packages/java.scm (java-javax-mail): New variable.

gnu: Add java-log4j-api.

* gnu/packages/java.scm (java-log4j-api): New variable.

gnu: Add java-eclipse-jdt-core.

* gnu/packages/java.scm (java-eclipse-jdt-core): New variable.

gnu: Add java-eclipse-text.

* gnu/packages/java.scm (java-eclipse-text): New variable.

gnu: Add java-eclipse-core-commands.

* gnu/packages/java.scm (java-eclipse-core-commands): New variable.

gnu: Add java-eclipse-team-core.

* gnu/packages/java.scm (java-eclipse-team-core): New variable.

gnu: Add java-eclipse-compare-core.

* gnu/packages/java.scm (java-eclipse-compare-core): New variable.

gnu: Add java-eclipse-core-resources.

* gnu/packages/java.scm (java-eclipse-core-resources): New variable.

gnu: Add java-eclipse-ant-core.

* gnu/packages/java.scm (java-eclipse-ant-core): New variable.