add_to_path(query) -- add user given path to environment PATH variable.

def add_to_path(query):
	""" add_to_path(query) -- add user given path to environment PATH variable.
	"""
	new_entry = support.get_path(query)
	if(new_entry):
		print 'Adding '+new_entry+' to PATH variable.'
		print '''1 : confirm
		2 : cancel
		'''
		choice = int(raw_input('>> '))
		if(choice == 1):
			home_dir = os.path.expanduser('~')
			bashrc = open(os.path.join(home_dir, ".bashrc"), "a")
			bashrc.write('\n\nexport PATH=\"'+new_entry+':$PATH\"\n')
			bashrc.close()
			os.system('source '+os.path.join(os.path.expanduser('~'),'.bashrc'))
			print 'Success!!'
			print os.system('echo $PATH')
	else:
		print 'We were unable to extract the \'path\' from your query.'