improve function chaining in chart control functions
[#69] add default pie chart radius for better usability
[#50] switch from custom css to bootstrap
change version number to 1.0.0
[#50] change tooltip css class name to dc-tooltip to avoid collision with bootstrap
switch some function ordering
Bubble charts: when a bubble is removed, both the circle and text now smoothly fade out.  The corresponding test was updated to reflect this change.
fix typo for min angle
add wiki markdown to git
Axes now animate when re-scaled
Ignore vim swapfiles
[#78] Fix pie chart ordering
add list of content for wiki
[#77] Extended brushing logic to check for empty extent
Merge branch '1.0' of github.com:NickQiZhu/dc.js into 1.0

Conflicts:
	dc.min.js
[#72] Merge branch 'master' into 1.0

Conflicts:
	dc.min.js
Merge pull request #79 from seanbell/master

Smoother animations for bubble charts
some clean up after merge
Merge pull request #83 from seanbell/fix-77

[#77] Extended brushing logic to check for empty extent
Merge branch 'master' into 1.0

Conflicts:
	dc.min.js