Add a simple signal when a new post is created.
Use regex to accept Windows, OS X, and Unix line endings instead
of expecting Unix line feeds.

Resolves https://github.com/getnikola/nikola/issues/832
Documenting branch markdown-for-osx-and-windows-authors
Used solution from 10e6d7b on bbcode, misaka, rest, and textile.
Add documentation and CHANGE.
Merge pull request #831 from punchagan/add-new-post-signal

Add a simple signal when a new post is created.
mention GALLERY_SORT_BY_DATE in the manual (Issue #667)
Merge branch 'master' of github.com:getnikola/nikola
add resultion order to nikola help console

Signed-off-by: Chris “Kwpolska” Warrick <kwpolska@gmail.com>
Merge pull request #833 from Aeyoun/markdown-for-osx-and-windows-authors

Compiler plugins expects two Unix line feeds instead of two of any line endings
change arrows

Signed-off-by: Chris “Kwpolska” Warrick <kwpolska@gmail.com>
remove Mac OS 1…9 (*not* OS X) newlines from regex

Signed-off-by: Chris “Kwpolska” Warrick <kwpolska@gmail.com>
reword CHANGES.txt message to fit the way others are written [Nitpicker’s Corner Part Two]

Signed-off-by: Chris “Kwpolska” Warrick <kwpolska@gmail.com>
fix a typo to test github irc bot (among others)

Signed-off-by: Chris “Kwpolska” Warrick <kwpolska@gmail.com>