Bump version

Topics and default language for SciViews::R

Different set of packages loaded with SciViews::R (rlang, broom and f…

…s added). Also the dtx argument that allows indicating the default data frame to use.

Version set to 1.2.0

Warning about conflicting num_ansi_colors in SciViews::R solved

USE_RTOOLS added in appveyor.yml

data.io, flow and chart loaded with SciViews::R

Merge pull request #1 from SciViews/pkg-loading

SciViews::R for system configuration