Merge pull request adamwdraper#126 from adamwdraper/develop Develop 1.5.3

Merge pull request adamwdraper#104 from adamwdraper/develop Develop

Merge branch 'develop' 

add custom formatting for zero values fixes adamwdraper#25 

minify numeral.js 

Add optional format for all decimals 

Formatting some numbers results in the wrong value. Issue adamwdraper#21