Removed examples dir, and migrated ass-1 to maven structure.
removed maven-generated srces.
finished setting up maven pom.xml for ass-1; still work-in-progress for ass-1 PDF
merge commit with liranoz
updated ass-1 scripts for text testing.
Removed hadoop-related code, because we understood it unnecessary for ass-1; Changed PDF.java code to Worker.java, renaming in next commit.
Renamd PDF.java to Worker.
run.sh is now for running worker local app; Added error handling for worker app.
updated gitignore to ignore eclipse files.
Adding Html option