fixing typos.
Fix the default value of buffer_queue_limit of buf_memory plugin
Fix the default value of buffer_chunk_limit of buf_file plugin
Add required parameters to example.  Tell netcat to use UDP
instead of TCP
Use default port in example
Merge pull request #127 from jderrett/typos/in_udp

Fix typos for in_udp
Merge pull request #121 from yoshi-taka/fix-typo

fixing typos.
Add notes about the default value of buffer_chunk_limit for Time Sliced Plugin
Merge pull request #123 from abe4tawa8/fix-default-values-of-buffer-plugins

Fix default values of buffer plugins
Merge pull request #128 from salty-g/master

Add documentation for disable_retry_limit option
version documented features (disable_retry_limit)
refactor and correct formatter parameter docs.
fix the formatting issue
remove the non-existing links for formatters
format single_value does NOT support common parameters
add the formatter section to navbar
Add Formater to plugin development guide
Improve plugin development page, add Parser example
update the ToC with the Parser plugin information
Add Parser overview