Minor rendering optimization in Gallery

Minor rendering optimization in Gallery page - linking YoutubeOptimizer
script first before the Static and Dynamic Gallery scripts.
Correcting grammatical error in GuideLines

Correcting grammatical error in GuideLines at the link for downloading
the PDF.
Making DynamicGallery release ready

1)  Making DynamicGallery release ready - uncommented JS for checking
XHR's return status code;
2)  Making script adaptable to use any XML file for dynamic generation
instead of a static one;
3)  Wrapping the dynamic content in an Article instead of Div.
Minor correction in Gallery styling

Minor correction in Gallery styling - not functionality related only
size related and thereby a better load time (very negligible).
Updating Gallery XML with appropriate events

Updating DynamicGallery's XML with appropriate events - all 7 are added.
Adding the image showcase to Guru page

Adding the image showcase to Guru page - almost similar to the Gallery
page but with minor differences in styling.
Adding Resources.html file

Adding Resources.html file - with basic content like Images for
NavaRasams and link to ClassNotes PDF.
Adding ClassNotes PDF

Adding ClassNotes PDF - linked from Resources page.