Fix untunable window height

Fix issue #13
Merge pull request #15 from jianingy/fix-untunable-height

Fix untunable window height
restrict key-maping to Neotree major mode
Merge branch 'restrict-maps' of https://github.com/ahmadseleem/emacs-neotree into ahmadseleem-restrict-maps

Conflicts:
	neotree.el
Merge branch 'ahmadseleem-restrict-maps' into dev
fix load fail error.
Merge pull request #14 from aaronmueller/dev

Fix some messages and strings and make proper sentences.
Stop breaking filenames into two or more lines.