Remove redundant "emacs" from package description

From within Emacs it will be clear that this is meant for use in Emacs. :-)
Merge pull request #35 from purcell/patch-1

Remove redundant "emacs" from package description
add melpa doc
Merge branch 'master' into dev
Focus the newly-opened Neotree buffer. Fix #32.
Update document structure
Update version
Solved issues with neo-dont-be-alone (issue #41). Removed extra space from NeoTree buffer name.

Conflicts:
	neotree.el
Merge branch 'dev' of github.com:jaypei/emacs-neotree into dev
added comments in README for evil mode
Merge pull request #44 from danielwuz/readme

added comments in README for evil mode
Add less verbose keybindings for neotree-mode-map
Merge pull request #45 from rranelli/less-verbose-keybindings

Add less verbose keybindings for neotree-mode-map
New feature, smart open. #47
Fix some warnings about document format.
Put macros in front of functions, fix #49
Test elc file.
Use defvar-local to replace original.
Keymap style option use choice type. #45
Fix typo. #45