Merge pull request #2 from thefotes/master

Use tags for site classification
Synced class files in Demo project with AAShareBubbles folder; Deleted necessary duplicate line of code where bgView is added as subview.
Removed AAShareBubbles folder from Demo project. Instead, added reference of source files (AAShareBubbles folder) into project.
Added Vkontakte (The most popular social network CIS, vk.com) button.
Update README.md
Added podspec
modified:   AAShareBubbles/AAShareBubbles.h
modified:   AAShareBubbles/AAShareBubbles.m
new file:   AAShareBubbles/icon-aa-linkedin.png
new file:   AAShareBubbles/icon-aa-linkedin@2x.png
modified:   Demo/AAShareBubbles/ViewController.m

Added LinkedIn (Proffessional social network)
modified:   AAShareBubbles/AAShareBubbles.h
modified:   AAShareBubbles/AAShareBubbles.m
new file:   AAShareBubbles/icon-aa-pinterest.png
new file:   AAShareBubbles/icon-aa-pinterest@2x.png
modified:   Demo/AAShareBubbles/ViewController.m

	Added Pinterest
modified:   AAShareBubbles/icon-aa-linkedin.png
modified:   AAShareBubbles/icon-aa-linkedin@2x.png
 Linkedin logo corrected

modified:   Demo/AAShareBubbles/ViewController.m
 mail and pinterest icons were hidden for demo
Merge pull request #4 from Asich/master

modified:   AAShareBubbles/AAShareBubbles.h
Update README.md
modified:   AAShareBubbles/icon-aa-linkedin.png
modified:   AAShareBubbles/icon-aa-linkedin@2x.png
	definition fixed
Merge pull request #5 from Asich/master

modified:   AAShareBubbles/icon-aa-linkedin.png
Moved icon files to AAShareBubbles.bundle
Added delegate method "aaShareBubblesDidHide" which is called when all bubbles is hidden.
Update README.md
Added Youtube, Vimeo buttons; Fixed critical bug when pressed button is defined incorrectly, because of incorrect tag implementation (Some methods were refactored, removed)
Added reddit
Update README.md
Update AAShareBubbles.podspec