#15 implementastion of routing
adding labelname and backbutton in angular-tweetpage
#18 tweets will be shown according to the label selected
error in printing tweets removed
Changed colors
jsScript moved to mock-1.js from mock-1.html
Merge branch 'routing' to 'develop'.

Conflicts:
	mock-1-logic.js
	mock-1-with-angular-tweetpage.html
	mock-1-with-angular.html
	styles/sass/style.scss
	styles/stylesheets/style.css
Minor edits for showing tweets in chronological order