changed file mode -x

Signed-off-by: Andrwe Lord Weber <lord-weber-andrwe@andrwe.org>
email templates

- added templates for emails sent by sendOtpEmail()
  - two templates (html and plain) for each of create, delete and resent

Signed-off-by: Andrwe Lord Weber <lord-weber-andrwe@andrwe.org>
added TODOs

Signed-off-by: Andrwe Lord Weber <lord-weber-andrwe@andrwe.org>
removed exec file mode

Signed-off-by: Andrwe Lord Weber <lord-weber-andrwe@andrwe.org>
update TODO, reimplement sendOtpEmail()

- added TODO
- updated status of TODOs
- reimplemented sendOtpEmail()
  - use template system of OC
  - send emails in html and plain format
  - use templates according to parameter $template (currently create, resent or delete)
- added sent e-mail on deletion and creation requests to inform OC user

Signed-off-by: Andrwe Lord Weber <lord-weber-andrwe@andrwe.org>