docs: Minor fixes and typos (#4564)

Signed-off-by: Larry Gritz <[email protected]>

Author: lgritz

Diff for: docs/dev/Build_Profiling.md

@@ -7,7 +7,7 @@ These are instructions for profiling the build process of OpenImageIO --
 useful for figuring out where the build process is spending its time, and
 where it might be optimized.
 
-## Profiling module compilating with clang -ftime-trace
+## Profiling module compilation with clang -ftime-trace
 
 These instructions are based on the following references:
 

Diff for: docs/dev/CodeReview.md

@@ -1,3 +1,7 @@
+<!-- SPDX-License-Identifier: CC-BY-4.0 -->
+<!-- Copyright Contributors to the OpenImageIO Project. -->
+
+
 Code Review Procedures
 ======================
 
@@ -131,7 +135,7 @@ stakeholders. These include:
   critical cases.
 - *Compatibility breaks*: changes that propose to break backward API
   compatibility with existing code or data files, or that change the required
-  toolchain or depeendencies needed to build the project.
+  toolchain or dependencies needed to build the project.
 - *Security*: Changes that could introduce security vulnerabilities, or that
   fix tricky security issues where the best fix is not obvious.
 

Diff for: docs/dev/RELEASING.md

@@ -412,7 +412,7 @@ having CC prefixes in as many commit messages possible helps make the release
 notes process be simpler and more automated.
 
 We have been using the [git-cliff](https://github.com/orhun/git-cliff) tool
-as the starting point for relese notes. The command we use is:
+as the starting point for release notes. The command we use is:
 
     git cliff -c src/doc/cliff.toml -d v1.2.3.4..HEAD > cliff.out.md
 

Diff for: src/doc/oiiointro.rst

@@ -61,7 +61,7 @@ different formats, comparing image data between two images, and examining
 image metadata.
 
 All of this is released as "open source" software using the very permissive
-"BSD 3-clause" license.  So you should feel free to use any or all of
+"Apache-2.0" license.  So you should feel free to use any or all of
 OpenImageIO in your own software, whether it is private or public, open
 source or proprietary, free or commercial.  You may also modify it on your
 own.  You are encouraged to contribute to the continued development of

Diff for: src/include/OpenImageIO/strutil.h

@@ -980,15 +980,15 @@ bool OIIO_UTIL_API parse_int (string_view &str, int &val, bool eat=true) noexcep
 bool OIIO_UTIL_API parse_float (string_view &str, float &val, bool eat=true) noexcept;
 
 /// Synonym for parse_int
-inline bool parse_value(string_view &str, float &val, bool eat=true) noexcept
+inline bool parse_value(string_view &str, int &val, bool eat=true) noexcept
 {
-    return parse_float(str, val, eat);
+    return parse_int(str, val, eat);
 }
 
 /// Synonym for parse_float
-inline bool parse_value(string_view &str, int &val, bool eat=true) noexcept
+inline bool parse_value(string_view &str, float &val, bool eat=true) noexcept
 {
-    return parse_int(str, val, eat);
+    return parse_float(str, val, eat);
 }
 
 /// Parse from `str`: a `prefix`, a series of int values separated by the