whole page capture
show notification about capturing
hide scroll bar
fix postToGyazo arguments
refuctering
- rename trimCaptureImage to trimImage

# Please enter the commit message for your changes. Lines starting
# with '#' will be ignored, and an empty message aborts the commit.
# On branch whole-capture
# Changes to be committed:
#	modified:   libs/utils.js
#	modified:   main.js
#
# Untracked files:
#	Gruntfile.js
#	icons/
#	node_modules/
#	package.json
#
trimImage arguments replace object
solve bug happening when body.clientheight is less than window.innerHeight
get page height 3ways
send scale, width and height
fix typo
improvement for zoom
i think this enable gyazo on retina
scale and zoom
window.devicePixelRatio is pdix * zoom
resize with scale by canvasContext.scale
scale down with canvas when append images
remove extra scale attribute
improvement image height
improvement for last triming image size