chore(locationPhotoShare): start new example

This example will rely on location server when getting positions of
other clients and when building bar.
feat(picShare): add locational drop areas

Drop areas represent locations:
   Ahead, Left, Right, Behind
chore(img): rename photos and arrow images for compass

Rename photos to start from 0
Add arrows starting from 0 as well
chore(compass): make compass with variable dimensions

Width and height are not hardcoded, they are variables
chore(img): move images to right

In fullscreen mode, images were overlapping left bar, so we move them.
chore(picShare): minify position calculation on drag
feat(picShare): draw location bars when clients updated
feat(picShare): add sharing ability to example
chore(symlink): fix symlink after merging
Merge branch 'examples_feat_location_photo_sharing'
feat(major): start shared workspace example
feat(workspaceManager): add simple workspace manager

This workspace manages connection of new clients, disconnection of
existing client and screen resize of existing clients.
When some clients are connected or disconnected, other clients are
notified and moved on the large workspace area accordingly.
fix(ball): part of ball is hiding when moving to side of page

Previously when ball was moved to the side of page, scrollbar was
created, so the whole ball could be seen.
After fix, part of ball is hiding, so it is behaving like that part is
on different screen.
feat(client): add helper methods to manage elements

Methods to manage elements on page - e.g. move element, fix touch point,
lift Z index, lock, unlock.
fix(adjust_workspace): save adjusted workspace

Previously it was only displaying change but did not save it into screen
object
feat(appendElement): start hammer on appended element

Also provide methods onTouch, onDrag, onRelease which are similar to
mirror mode of circles example
feat(remote_events): provide methods for remote events

Proved methods onRemoteTouch, onRemoteDrag, onRemoteRelease which are
similar to those of mirror mode of circles example.
feat(workspaceManager): provide getScreen method

getScreen method returns screen of specified by uuid client
feat(workspaceManager): provide under method

Method under returns list of workspaces that are under specified x,y
coordinates
feat(workspaceManager): provide allExcept method

Method returns list of all workspaces that are not in list, so returned
list is complementary to given list.