update some useful ida plugin to fit 7.0ver
I don't know too much about the idaapi,but if your plugin has issue when loading coming with "add_menu_item" or "del_menu_item" error .I'd like to fix that :) This is easy
For more api info: Please read these articles
1.http://www.hexblog.com/?p=886
2.https://www.hex-rays.com/products/ida/support/sdkdoc/kernwin_8hpp.html