convenient api for setting backend
configurable pipelines folder
moved code to the module folder
removed obsolete printer backend
import fixes
added packaging scripts
removed local bidict copy
updated .gitignore
updated README
added scrennshot
Update README.md
Update README.md
Update README.md
modified screenshot
moved dialog creation into a function
implemented pipeline renaming
refined pipeline renaming
implemented cloning
Merge branch 'master' into minlib

Conflicts:
	earlpipeline/backends/bidict.py
	earlpipeline/backends/printer.py
	earlpipeline/static/css/ajax-loader.gif
	earlpipeline/static/css/bootstrap-dialog.css
	earlpipeline/static/css/bootstrap-theme.css
	earlpipeline/static/css/bootstrap-theme.css.map
	earlpipeline/static/css/bootstrap.css
	earlpipeline/static/css/bootstrap.css.map
	earlpipeline/static/js/libs/bootstrap-dialog.js
	earlpipeline/static/js/libs/bootstrap.js
	earlpipeline/static/js/libs/ember-data.js
	earlpipeline/static/js/libs/ember-data.js.old
	earlpipeline/static/js/libs/ember.js
	earlpipeline/static/js/libs/handlebars.js
	earlpipeline/static/js/libs/jquery-1.10.2.js
	earlpipeline/static/js/libs/jquery-ui-1.10.4.js
	earlpipeline/static/js/libs/jquery.jsPlumb-1.5.5.js