Fixes #43

Separate tasks into smaller units
Remove copy:wp from html watch task since it ignores *.html files anyway
Update README.md
Change default task to 'watch' one
Update docs images
Merge pull request #44 from yuijim/dry-grunt-tasks

Fixes #43
Fixes #41
Fixes #47
copy tasks tweaks
Merge pull request #53 from yuijim/modernizr-shiv-improvements

Modernizr shiv improvements
Fixes #54
Fixes #52
Merge pull request #55 from yuijim/issue-52

Fixes #52
Fixes #51
Fixes #46
Merge pull request #57 from yuijim/exclude-template

Fixes #46
Fixes #45
Merge pull request #58 from yuijim/issue-45

Fixes #45
fix double comma issue when not using Modernizr
Merge pull request #60 from yuijim/bugfix-double-comma

fix double comma issue when not using Modernizr
Fixes #56
Improving Contribution section in documentation
Fixes #61
Merge pull request #62 from piotrkulpinski/issue-61

Fixes #61