Python compatibility, custom formatting, improved debugging

• Remove the unreliable syntactic sugar [fix #2]
• Add a simple example of a BeakerLib test
• Improve the output, fix the encoding issue [#21]
• Add sources as value for string formatting
• Show source files in debug mode [fix #15]
• Allow deeper one-line hierarchy [fix #17]
• Update the list of supported Python versions
• Use name 'root' for directory where Tree is rooted
• Fix the full path custom format example
• Move documentation to the fmf rpm package
• Remove entry_points, custom format merged into fmf
• Add a few custom format examples
• Update docs with the custom format support
• Run both Python 2 and Python 3 tests locally
• Make eval() work with with Python 3 as well
• Integrate custom formatting into base & cli
• The first draft of output formatting
• Enable python3 tests, python3 executable in Fedora
• Python 3 compatibility changes
• Show nothing if there are no metadata [fix #12]
• Clean up before preparing the source files
• Make setup methods compatible with older pytest

Tests, docs, packaging

• Build a separate fmf package for the executable
• Add docs example for setting up storage
• Improve command line test coverage
• Smoke tests for logging and coloring
• Tests for pluralize, listed and split
• Include a simple example of python code
• Separate base tests, forgotten asserts, cleanup
• Several adjustments for the attributes adding
• Adding ability to add value to parent attribute
• Fix Tree.get() to correctly return data
• Make the spec do python2 & python3 and EPEL & Fedora
• Ignore hidden files and directories when searching
• Add test coverage for the filter function
• Extend the list of examples, fix hierarchy typos
• Enable Travis Continuous Integration

Initial release

Initial release of the Flexible Metadata Format.