Removed useless object referencing
Simplified strong/emphasis regexps

(?<=\S|^) becomes (?<!\s)
(?=\S|$)  becomes (?!\s)
(?<!\s)(?<!\*) becomes (?<![\s*])
(?<!\s)(?<!_)  becomes (?<![\s_])
(?!\s)(?![\.,:;]\s) becomes (?![\.,:;]?\s)
Add 'figure' to list of block-level elements in _MarkdownExtra_TmpImpl
Merge branch 'useless_ref_this' of git://github.com/olvlvl/php-markdown into lib

Conflicts:
	Michelf/Markdown.php
HTML blocks don’t need to be separated by a blank line to with Markdown.pl, PHP Markdown should work the same.
Merge branch 'lib' of git://github.com/s9e/php-markdown into lib
Case `<"A"@example.com>`. Quotes not properly escaped inside the href attribute.

Fixes #139.
Link reference following a footnote definition without a separating blank line gets swallowed as text in the footnote.

Fixes #123.
Removing unused variable `$marker_any_re` in `doLists`.

Fixes #121.
HTML block parser now aware of the `style` tag.

Fixes #103.
Hack to fix `[link](<s p a c e s>)`.

Fixes #80.
Bumped version to 1.4.1, updated version history and copyright year.