Bring in ReleaseNotes from 4.5.6

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>

ReleaseNotes/ReleaseNotes.txt

@@ -1,23 +1,84 @@
-// _Subsurface_ 4.61 Release Notes
+// _Subsurface_ 4.5.6 Release Notes
 
-_Subsurface_ 4.6 - some day 2015
+_Subsurface_ 4.5.6 - April 2016
 ---------------------------------
 
+Some of the changes since _Subsurface_ 4.5.5
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+- Fix crash when downloading from Bluetooth based dive computers
+- Small fixes to VPM-B ceiling calculations
+- Import picture URLs from divelogs.de
+- Add support for the new version of the Suunto DX
+- Don't get caught in endless loop of git authentication errors
+- Fix time parsing of Divesoft Freedom
+- Support DAN DL7 import
+
+
+Some of the changes since _Subsurface_ 4.5.4
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+- Update to latest libdivecomputer which adds support for Cochran
+  Commander and EMC, Uwatec Aladin Sport, Suunto Zoop/Vyper Novo,
+  Suunto D4i and D6i with latest firmware, Heinrichs & Weikamp OSTC4,
+  Aqualung i450T and Cressi Newton.
+- In the dive planner, switch pressure unit when planning in recreational
+  mode and setting a tank reserve
+- In the dive planner, show the correct VPM-B + conservatism on the
+  profile when planning in VPM-B mode and show the planner specific
+  gradient factors in Bühlman mode.
+- Enable showing a VPM-B based "ceiling" on the profile
+- Fix bug regarding depth parameter in OSTC/OSTC3 configuration
+- Fix bug in CSV export
+- Fix bugs in Suunto DM5 import
+- Fix potential race when immediately switching to Add dive or Planner
+  while accessing cloud storage
+- Fix issue for some users with cloud storage passwords
+
+
+Some of the changes since _Subsurface_ 4.5.3
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+- Update to latest libdivecomputer to fix a number of issues in the
+  parsing of dive computer data (Shearmos Amphos Air, Shearwater Predator,
+  several Oceanic models)
+- Add support for Oceanic / Aeris F11, DiveSystem iX3M, Shearwater Perdix
+- Fix several issues with imports from CSV, divelogs.de and other sources
+- Add better support for OSTC3 configuration
+- Fix potential rounding error when exporting weight systems
+- If XML file contains actual salinity (instead of the density value that
+  we call salinity), correctly interpret that value
+- Add statistics by dive type
+- Small UI fixes
+
+
 Some of the changes since _Subsurface_ 4.5.2
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
-- major overhaul of the Subsurface-mobile UI
-- more fixes for oddities in the Uemis download
+- Fix confusing warning about different number of tanks and gases on some
+  Suunto dive computers
+- Fix missing temperatures on some Suunto dive computers
+- Fix several corner cases in the Uemis support
+- Fix a few random UI inconsistencies (UI elements not being cleared /
+  removed / reset in certain circumstances)
+- Cloud storage: no longer store picture binary data in the Subsurface
+  cloud storage - this can cause excessively long sync times
+- When matching dive site names when entering a location name, match
+  anywhere in the location name, not just from the beginning (this makes
+  it much easier to find existing dive locations if you remember only part
+  of the name)
+- Some fixes for importing data from other formats
+- English user manual has been updated for language consistency and
+  readability
 
 Some of the changes since _Subsurface_ 4.5.1
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
-- No changes in Subsurface (in fact the same sources), but libdivecomputer
-  was updated to support the latest firmware versions in the OSTC family
-  of dive computers (plus a few other minor changes)
+- No code changes to Subsurface, just an update to libdivecomputer and new
+  binaries on all platforms.
 
-Some of the changes since _Subsurface_ 4.5.0
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+Some of the changes since _Subsurface_ 4.5
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
 - Subsurface no longer crashes on Windows when run in the German
   localization and using the planner