fast: Convert documentation to asciidoc. RNS-1131
core.c: Cleanup logging.
core.c: Use flag macros to test flags.
build: Rename fast.md to fast.adoc in EXTRA_DIST.
clipp: Update clipp documentation to asciidoc.  RNS-1131.
clipp: Move clippscript documentation to asciidoc.  RNS-1131
predicate/template: Convert documentation to asciidoc. RNS-1131
modhtp.c: Cleanup message when hostname cannot be determined, so the IP is used.
Tidy/fix buffering
*.md: Change toplevel documentation to asciidoc. RNS-1131
configure.ac: Fix name of README.
modules/stringset: strmatch now captures input as 0; strmatch_prefix now captures as 0 instead of input name. RNS-1130
engine/core_operators.c: match and imatch now capture matching text to 0.  RNS-1129
experimental/luhn.rb: Example of how an automata could implement the Luhn algorithm.
codecheck/include_order.rb: Add modp_b16.h.
codecheck: Update dictionary.
lua/tests/*: Updating clipp tests to use more current conventions.
tx.lua: Adding ib_tx_block* support.

- tx:block()
- enableBlocking()
- disableBlocking()
- isBlockingEnabled()
- isBlocked()
Squashed 'libs/libhtp/' changes from bd5cd08..a3e907f

a3e907f Fix compiler warnings.

git-subtree-dir: libs/libhtp
git-subtree-split: a3e907f4b22d5a09d1899da9faed6ee22b6f6467
libhtp: Sync with upstream 0.5.x branch.