utils: 'compressed-file?' matches ".lzma" files.

* guix/utils.scm (compressed-file?): Add "lzma" to the list.

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 non-timeline.

* gnu/packages/music.scm (non-timeline): New variable.

gnu: Add non-mixer.

* gnu/packages/music.scm (non-mixer): New variable.

gnu: Add java-javax-mail.

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

licenses: Add EDL 1.0.

* guix/licenses.scm (edl1.0): 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-icu4j.

* gnu/packages/icu4c.scm (java-icu4j): 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.

gnu: Add java-eclipse-core-variables.

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

gnu: Add java-eclipse-core-expressions.

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

gnu: Add java-eclipse-core-filesystem.

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

gnu: Add java-eclipse-core-runtime.

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