Fix incorrect variable in CLI

When displaying info about compiling to emtpy string
file.origPath should be used for the file path
No info messages while watching files

When watching files with the CLI, do not display info about
compling to empty string, state it directly in the compiling result
message, making the messages leaner.
Not listing all files when watching folder
Fix --out option for CLI

When executing, say, roole -o asset/css/ asset/roo/, all files and
dirs inside asset/roo/ should be compiled to asset/css/
Use commander.js for CLI

So short options could be joined, e.g., -wo
Refactor CLI

Remove global variables that are temporary or used as flags
Bump patch version
Merge branch '0.2.x'