Update version for development 0.2.5
Add helper method for executing system command (helper for backtick access)
Fix AMI component example in README.md
Merge pull request #20 from threadwaste/develop

Fix AMI component example in README.md
Add proxy helper method for SparkleFormation#nest
Start adding stack nesting support
If parameter is defined at top level and is comma delimited, reformat list into string when providing to nested stack.
Proxy comma delimited list types from containing stack to nested stack properly
Splat mapping for array to result in single level array of conditions
Disable automatic camel casing on ami mappings
Remove custom bundle setup. Add region to credentials. Include bucket configuration for nested stacks.
Vendor in strapdown
Update script load to use local path
Update backing display libs
Update how we build the user docs
Update to keep the simplex theme for now
Add in full anchoring to headers. If anchor requested, scroll to anchor after loading.
Clean up some of the display.
Update files for release v0.2.6