1) remove Facebook integration (Dirk)
2) rewrite section about filter (Dirk)
3) insert section about bailout checkbox (Robert)
4) finalise section about surface GF in info box (Robert)
5) add export of profile graphic to .png (Robert)
6) update import of dives using universal import dialog (Miika)
7) some typos corrected and Robert's requests implemented
8) Factual info as wellas typos and corrections raised by
Miika and Dirk
Signed-off-by: willemferguson <willemferguson@zoology.up.ac.za>