New clang-format rules.

Essentially, put function parameters in column when long enough, and put
closing parenthesis on the next line. This makes it so the following code
doesn't get glued to the function's signature and is nicer looking.

Formatted some files, not all of them though.

.clang-format

@@ -5,7 +5,7 @@
 ### General config, applies to all languages ###
 BasedOnStyle: LLVM
 AccessModifierOffset: -4
-AlignAfterOpenBracket: DontAlign
+AlignAfterOpenBracket: BlockIndent
 # AlignArrayOfStructures: None
 # AlignConsecutiveMacros: None
 # AlignConsecutiveAssignments: None
@@ -32,10 +32,11 @@ AllowShortFunctionsOnASingleLine: Empty
 # AlwaysBreakAfterReturnType: None
 # AlwaysBreakBeforeMultilineStrings: false
 AlwaysBreakTemplateDeclarations: Yes
+BreakAfterReturnType: Automatic
 # AttributeMacros:
 # - __capability
-# BinPackArguments: true
-# BinPackParameters: true
+BinPackArguments: false
+BinPackParameters: false
 #BraceWrapping:
 # AfterCaseLabel: false
 # AfterClass: false
@@ -119,7 +120,11 @@ KeepEmptyLinesAtTheStartOfBlocks: false
 # PenaltyBreakString: 1000
 # PenaltyBreakTemplateDeclaration: 10
 # PenaltyExcessCharacter: 1000000
-# PenaltyReturnTypeOnItsOwnLine: 60
+
+# Original was 60. I increased it after adding `AlignAfterOpenBracket: BlockIndent` and disabling binpacking of 
+# arguments, because for some reason return types sometimes ended up on their own line, not sure why.
+PenaltyReturnTypeOnItsOwnLine: 600
+
 # PenaltyIndentedWhitespace: 0
 # PointerAlignment: Right
 # PPIndentWidth: -1