[ARM] Implement parse!real for systems with 64bit reals

and some unittest fixes
The std.traits.ImplicitConversionTargets returns wrong result for dchar
fix 7069
some fix in std.traits.ImplicitConversionTargets
remove templates
Merge pull request #1869 from GoldMax/Issue-7069

The std.traits.ImplicitConversionTargets returns wrong result for dchar
Fix formatting in std.conv.parse!real
Tweak zip implementation

Made doc location consistent in regards to static ifs.
Merge pull request #1896 from monarchdodra/zipTweak

Tweak zip implementation
Merge pull request #1862 from jpf91/arm-4

[ARM] Implement parse!real for systems with 64bit reals
fix Issue 12058 - std.typecons.AutoImplement does not work for inout member functions
Merge pull request #1900 from 9rnsr/fix12058

Issue 12058 - std.typecons.AutoImplement does not work for inout member functions