added parser and http exceptions
indent
renamed admin views
added admin menu icon
added loader template for ajax calls
made SlideShareModel abstract #3
added error container view
removed useless comments
specific javascript functions moved in appropriated template

- moved displayActivityIndicator function in activity-indicator.php
- added style on activity indicator
- added displayErrorContainer function in error-container.php
added javascript function to set error box data
renamed HTML id attributes

[admin-import.php](https://github.com/Spoon4/slideshare-posts-import/blo
b/master/admin/views/admin-import.php)

`slideshare_total`-> `slideshare`-total
`slideshare_list` -> `slideshare-list`
added blink feature to error display
moved fields
added ajax hook for slideshows import #4

- send javascript ajax request
- added WordPress ajax action