check_java doesn't use fork
check_java doesn't show verbose messages
refactoring of find_logging_conf_file and find_td_bulk_import_jar methods
consider spaces in arguments; shouldn't use exec for windows environment
updated error message when java is not installed
import subcommand should be alias of import:show or other ruby-based subcommand so that 'td import' shows appropriate messages
added import and imports aliases
merged master branch manually