Fixed image blurring

When position becomes a float the image is blurred. By using parseInt we force it to render properly and might even improve performance according to the article.

See http://www.html5rocks.com/en/tutorials/canvas/performance/#toc-avoid-float
Added radix to prevent issues with parseInt
Merge pull request #217 from splitfeed/patch-1

Fixed image blurring of markers
Add build without 3rd party libs
This build expects to find Underscore and Bean libraries as globals by
the time it is loaded. This is very useful for those how want to take
greater control of the libraries used.

Using this build RequireJS and Browserify users can manually setup a
shim configs for Flotr2.
Merge pull request #225 from epeli/nolibs

Add build without 3rd party libs
Add standalone exmaple.
227, allow for mouse tracker position disabled.
Fix resolution bug in pie chart.
Do not executte hit hidden series.  For #234.
Add missing semi-colons.

Reported by smoosh.
Merge pull request #239 from ioguix/semicolon

Add missing semi-colons.
Commit the latest stable build.

* Fix resolution bug in pie chart, fixes #242.
* Do not executte hit hidden series.
* Hide tracker if content null or undefined.
* Fix for mountain chart with preceding 0 value.
Fix hit plugin with stacked lines
Use a dedicated member in each point array for the stack offset

See https://github.com/HumbleSoftware/Flotr2/pull/256
Merge pull request #256 from ioguix/hit_stacked_lines

Fix hit plugin with stacked lines
Implementer financial barhart. (“barcharts: true” option for candle chart)
Fix for xScale
Added examples for financial bar chart
Add candle barchart to the displayed examples.
Build examples.

* build the examples with the new candle barcharts
* barchart test now failing.