Merge branch 'release/0.0.26' into develop
readme: added gittip icon
readme: added more npm icons
gyp: updated some conditions for win
readme: changed layout
deps: update Eigen to 3.2.2
readme: update NodeICO api
readme: added instance method 'block()' api
src: added instance method 'inverse()'
readme: added instance method 'inverse()' api
test: added instance method 'inverse()' testings
lint: added files for linting pass
readme: added instance method 'inverse()' api
Merge branch 'release/0.0.27'