Added section 1.4 on the Official LAS Wiki. (#71)

Converted external wiki links to internal references.

Author: esilvia

source/01_intro.txt

@@ -116,6 +116,8 @@ Summary of LAS 1.4 revisions (GitHub Issue numbers included when applicable):
     (`I-55 <https://github.com/ASPRSorg/LAS/issues/55>`_)
   * Clarified how and when certain header fields should be zero-filled.
     (`I-101 <https://github.com/ASPRSorg/LAS/issues/101>`_)
+  * Added Official LAS Wiki section.
+    (`I-71 <https://github.com/ASPRSorg/LAS/issues/71>`_)
   * Clarified source of min/max XYZ and ExtraByte values.
     (`I-89 <https://github.com/ASPRSorg/LAS/issues/89>`_)
   * More closely aligned data types with C99 definitions.
@@ -151,7 +153,7 @@ The additions of LAS 1.4 include:
 
   * Added definitions for "LAS Domain Profile" and "LAS Domain Profile
     Description".
-  * Added links to official LAS wiki: https://github.com/ASPRSorg/LAS/wiki
+  * Added references to :ref:`Official LAS Wiki <laswiki_link>`.
 
 
 Conformance
@@ -190,3 +192,12 @@ followed at https://www.ogc.org/publications/.
 
 .. _`OGC`: https://www.ogc.org
 
+
+.. _laswiki_link:
+
+Official LAS Wiki
+................................................................................
+
+The official LAS wiki hosts supplementa guidance pages, links to external
+resources, public registries, and more LAS-related resources.
+The wiki can be found at https://github.com/ASPRSorg/LAS/wiki.

source/02.04_header.sub

@@ -191,7 +191,7 @@ file can be uniquely identified, globally.
 .. note::
 
     Example implementations of representing the Project ID fields as a GUID can
-    be found on the official LAS wiki: https://github.com/ASPRSorg/LAS/wiki
+    be found on the :ref:`Official LAS Wiki <laswiki_link>`.
 
 **Version Number**
 

source/02.06_point.sub

@@ -620,7 +620,7 @@ and the vertical units are meters.
 .. note::
 
     Users seeking further clarity regarding LAS waveform encoding are encouraged
-    to learn more on the official LAS wiki: https://github.com/ASPRSorg/LAS/wiki
+    to learn more on the :ref:`Official LAS Wiki <laswiki_link>`.
 
 
 .. raw:: latex

source/04_optional_vlrs.txt

@@ -300,6 +300,4 @@ absolute digitizer voltage using the formula:
 .. note::
 
     Users seeking further clarity regarding LAS waveform encoding are encouraged
-    to learn more on the official LAS wiki: https://github.com/ASPRSorg/LAS/wiki
-
-
+    to learn more on the :ref:`Official LAS Wiki <laswiki_link>`.