fix wrong invoke method for config:update_locally
add test cases
0.1.0git
refactoring around file options.

also update depending version of capitrano-file-transfer-ext (0.0.3 -> 0.1.0)
fix in test case. improve assert_file_content.
update README
add missing option
support configuration files with absolute paths
add special options; `:configure_except` and `:configure_only`
update README
release 0.1.0
Merge branch 'release-0.1.0'