add helper function, add image_voting development page, add content for ...

...header/footer/landing

helper function in application:
Detects client name for base title, yields page titles to append for full title.

application.html.erb:
-Moved header partial into body
-added google api for 'Cabin' font

.powrc:
-added a statement on line 3 to have rvm work with pow

content:
-added images needed for the kutorable template

css file:
-changed the fonts and colors for the design

image_voting.html.erb:
moved the development of the voting page (future home page) to this page, index.html is landing page

_header + footer:
Changed nav-bar to pills


NEEDS TO GET DONE:
-Centering the content 
-Resizing + styling
You have way to much whitespace in this function, tabs should be set to 2 spaces

You can also rewrite the entire function as:
```
def full_title(page_title)
  base_title = Client.current.title
  base_title += " | #{page_title}" unless page_title.empty?
end
```