added untag button to the participart index + new function in the model and controller of participant . added anew function in the ttc utils.js
changed the save message and fixed js file to allow untaging
untag participant model test
untag ProgramParticipantControllertest
added acomfirmation dialogue on untaging
added an empty string in the tag ' geek'
removed code which was not used and put right class for validation error with
resolved conflict  in merge of branch with develop
removed l which was not defined
tried to make to pop up layout look great
removed contians and put indexOf method to run in chrome
changed the regexp to allow spaces in tags
worked on the dry Code
chenged the naming for the function inthe model from DeleteMasstag to Untag
did some refactoring on the tests programparticipantcontrollerTest
rearraged the if statements
fixed Regexp for tags
used the same regex as used in php
tried to make the test less dangerous
untaag filter bug added acondition to the function distinctTags