update description and license
add slides of Ben
depends ==> imports, prevent potential conflict between packages
integration of slide2 and DSC2014Tutorial
Merge pull request #3 from wush978/master

Integration of slide2 and DSC2014Tutorial
update commit
[feature] get_file will add suffix:
1. the suffix is added if the path is not found
2. the suffix is depends on the sysname
remove unused rda
[feature] split salary to unix and windows. Use configure script to copy them before install
[debug] mkdir data
[debug] typo
add unit tests:
- test ETL_file of cl_info_other.csv
- test data(salary)
[feature] put big5 as default for .rda, resolve #2
Merge pull request #6 from wush978/master

resolve #2
add slides from intro of RMarkdown
include Intro of RMarkdown
remove unecessary file
update slides for R Basic
[test] knit slides
update to 3.0.0
add encoding to test scripts for windows