Remove old lineChart class, add LineChart and alias

From User's point of view no a difference

Signed-off-by: oz123 <nahumoz@gmail.com>
Remove old pieChart class, add PieChart and alias

From User's point of view no a difference

Signed-off-by: oz123 <nahumoz@gmail.com>
Remove old lineWithFocusChart add LineWithFocusChart

Add alias, such that from user point of view there
is no difference

Signed-off-by: oz123 <nahumoz@gmail.com>
Replace multiBarHorizontalChart with the new class

And add alias ...

Signed-off-by: oz123 <nahumoz@gmail.com>
Replace old with new class and alias

Signed-off-by: oz123 <nahumoz@gmail.com>
Remove old unused templates

These templates are no longer used, since
the new class uses the newer templates.

Signed-off-by: oz123 <nahumoz@gmail.com>
Renamed infra.html to html, update content.html

Signed-off-by: oz123 <nahumoz@gmail.com>
Remove old class, add new class alias

Signed-off-by: oz123 <nahumoz@gmail.com>
Remove old cumulativeLineChart add alias for new class

Signed-off-by: oz123 <nahumoz@gmail.com>
Replace old class scatterChart with alias to new class

Signed-off-by: oz123 <nahumoz@gmail.com>
Replace old class with an alias to the new class

Signed-off-by: oz123 <nahumoz@gmail.com>
Replace multiBarChart with alias to new class

Signed-off-by: oz123 <nahumoz@gmail.com>
Remove old linePlusBarWithFocusChart and relace with alias

Also remove unused template

Signed-off-by: oz123 <nahumoz@gmail.com>
Add jinja Environment and template loader to NVD3Chart

Thus, there is no need to initialize the Environment and
Loader with every child class.

Signed-off-by: oz123 <nahumoz@gmail.com>
Replace FileSystemLoader with PackageLoader

This is more elegant. We can add FileSystemLoader
later when we allow users to customise their templates
more easily ...
Also removed unused imports

Signed-off-by: oz123 <nahumoz@gmail.com>
Remove duplicate targets in Makefile

Signed-off-by: oz123 <nahumoz@gmail.com>
Remove EVIL eval call !!!

Signed-off-by: oz123 <nahumoz@gmail.com>