Added lineWithBrushChart

- Linechart with a brush to select a range of data (with example)
- Modified Makefile to include new model in nv.d3.js
- Removed minified javascript target from the "all" target of the
Makefile (to avoid complaints about missing libraries)
rebuilded
multiBarWithBrushChart
multiBarWithBrushChart - cleanup alerts
emacs backup files added to gitignore
deleted old model with wrong name
trendlines on lineWithBrushChart
Merge branch 'master' of https://github.com/Moviri/nvd3

Conflicts:
	nv.d3.js
Merge remote-tracking branch 'upstream/master'

Conflicts:
	nv.d3.min.js
merge upstream
trendline optimization and style

plus min e max (commented out)
various cleanup + api change for lineWithBrushChart

see example
Merge remote-tracking branch 'upstream/master'

Conflicts:
	nv.d3.min.js
Merge branch 'master' of https://github.com/Moviri/nvd3

Conflicts:
	nv.d3.js
cleanup again
temporary hack to use arrays as series values instead of objects
restore line style properties
temporary hack to use arrays as series values also on barchart
compiled nvd3
brush return full values