Describe actions available in bulk format

Document create, index and delete semantics, and whether they expect a source line to follow them.
Add note about Morfologik (Polish) Analysis plugin
added missing commas in json examples
Fix Pattern documentation when using \\
add note that mlockall is only available on linux / unix
Added missing words in codec doc
Changed 'postingsformat' to 'postings format'
update suggest api documentation threshold_frequency is now min_doc_freq
fix documentation to use current parameters
fixed typo
Merge pull request #411 from javanna/has-child-query-typo

fixed typo
Added documenation for  token filter
add cutoff_frequency to match_query
Merge pull request #406 from javanna/object-type-typo

Added missing commas in json examples
Merge pull request #405 from chytreg/master

Morfologik (Polish) Analysis plugin
Merge pull request #396 from rboulton/patch-1

Describe actions available in bulk format
Fixed a bad header on the suggest page
More formatting corrections to suggest
s/distance_unit/unit/g
Update codec.textile