move all sub-commands to data/commands directory; move config file to data/config directory
add data/commands/init-global-index
data/config/default.ezsync: move path settings to head; add settings for global index commit
add data/commands/diff-list
add data/commands/new-hash-list; data/commands/sort-hash-list: remove duplicated item while sorting
move data/ to share/; add install.sh
share/commands/new-hash-list: fixed hash format bug; remove addtional blank line in output; fix varible usage bug
share/commands/new-hash-list: new_local_index change to be an argument; swap the position of arguments curr_hash_list and curr_local_index; code indent corrected
add share/commands/commit; share/config/default.ezsync: add `delete' and `modify' to 'user confirm' option