Minor changes.

Now depending on min instead of minim.

Improved modified files detection; fixed moustachu check for empty
sections.

Fixed incorrect content processing.

Added missing metadata to contents.

Fixed typo in package name.

Added support for nifty package manager.

Removed confirmations from rebuild command.

Updated MiNiM version; improved logging.

Now cleaning output directory as well.

Implemented build/rebuild command.

Now checking for modified assets as well and saving metadata of modified
files.

Added operators to manage settings and metadata.

Implemented context management.

Started implementing hastysite MiNiM module.

Started implementation: YAML metadata processing, change detection.

Initial commit