Do not load Bundler
Use encoding specific in configuration file only
Remove filesystem_verbose and rename filesystem_unified to filesystem
Merge branch 'experimental-4.x-no-bundler' into experimental-4.x
Merge branch 'experimental-4.x-no-encoding-from-environment' into experimental-4.x
Merge branch 'experimental-4.x-single-filesystem-data-source' into experimental-4.x

Conflicts:
	lib/nanoc/data_sources/filesystem_unified.rb
	lib/nanoc/data_sources/filesystem_verbose.rb