Change the add and edit pop up iframe to an iframe show and disapear at the end of all slides.no more pop up frames

Debug : add 2 functions to reinitialslides ,when load the slides , move mouse on these 2 button ,we can see the button now

Debug : rechange the jquery-css in presentation , it made the background transparent after the last time changing it

Add setSlidesContent and getSlidesContentthese 2 functions in slidesshow_editor ,and use them in the officejs.js

delete 2 useless css file in slideshow.html and delete the conflict in the erp5.css to avoid change the basic background

Delete the instruction of the presentation and hide it under the question mark icons . it will show when mouse move on the icon

Change the jquery-ui in the presentation to use the bootstrap's close button image for the Editor and Creator

remove the id=precontent of the original page ,and change all the getcontent function aim to the 'list' div and use innerHTML but not textcontent

The presentation works ,change the slides.js to change the Presentation page body content before load the page,in slides.html and slideshow.html ,use window.parent and window.open to transfer the html content .slides.html is the page to show the presentation

make the slides can be saved and load ,change the slideshow_editor.css , the address of those picture were wrong ,and change the creator's links and scripts aim to current project