加入rpm系列打包脚本
Merge pull request #208 from iaalm/master

add rpm package spec
Change the way of QDialog show

Change the way of QDialog show from open() to exec().There is a bug
under QT 5.2.1,modal dialog couldn't display in the center of parent
window.
Clean up redundant gitignore information

Clean up redundant gitignore information
Merge pull request #213 from WizLxn/master

Change the way of QDialog show
Merge branch 'master' into testing