Changes to metadata/template

My previous change introduced all possible fields into the template.
This change puts a one-line comment above each and removes
values (except for some text after Description)

metadata/template

@@ -1,36 +1,74 @@
-#See http://f-droid.org/manual for details
+## See http://f-droid.org/manual for details
-#Delete fields that are not needed 
+## Delete fields that are not needed
+## Blank lines are customary as they are seen here 
+# 
+# Only used for making an app disappear from the index
 Disabled:
+# Only changes the name in the index. Not generally required
 Name:
+# Hard-coded in the client/web repository. Separate values with a ";"
 AntiFeatures:
+# Not hard-coded but look at the pre-existing ones. Separate with a ";"
 Category:
+# The overall license: must be compatible with licenses of components
 License:
+# Leave blank if the same as Source Code
 Web Site:
+# Should be http(s)://
 Source Code:
+# Should be http(s):// 
 Issue Tracker:
+# A dedicated web page with donation buttons is preferred
 Donate:
+# See http://flattr.com. Not visible in the client/web repository yet
 FlattrID:
+# Not visible in the client/web repository yet
 Bitcoin:
 
-Summary:What the app does in less than 40 chars
+# Jargon-free description, not longer than 40 characters
+Summary:
+# A description goes ''under'' this field
+# The description is terminated by a line with a single "."
 Description:
-A description goes here. It should be fairly future proof, unless you intend to
+Blank lines indicate a new paragraph and it is preferrable to make a new
-keep it updated, yet not be too short. The maximum line length is 80 chars,
+line for a new sentence.
-unless the basic MediaWiki markup is used.
+It is applicable to the Recommended Version i.e. the version that's closest
+to the Current Version (see below).
+
+* It should be fairly future proof, unless you intend to keep it updated 
+* Not be too short 
+* The maximum line length is 80 chars, unless the basic MediaWiki markup is used
+
+Requires root: No. The app can reboot the phone if it is allowed root.
+
+Anti-features: Tracking and Network Services. The app uploads usage statistics
+periodically to a server whose location is hard-coded into the app.
+
+Status: Last version; still in BETA.
+
+[https://github.com/k9mail/k-9/raw/master/res/raw/changelog.xml Changelog]
 .
 
-Requires Root:Yes
+# Yes is the only possible value
+Requires Root:
 
+## These next three only apply to apps with source-built versions
 Repo Type:
 Repo:
-#Version Names and Codes must be distinct
+# Version Names and Codes must be distinct
-Build Version:Version Name,Version Code,Commit/Tag/Revision, etc. (if necessary)
+# Any jars or prebuilts should have references, preferably in the README
+Build Version:
 
+# Comments on what to watch out for when adding new Build Versions (BVs) go here
+# This field is best used at the discretion of the repo maintainers
 Auto Update Mode:
-#One of Tags, RepoManifest, Market or None (in that order of preference)
+# One of Tags, RepoManifest, Static, Market or None (in that order of preference)
-#If None, describe how to obtain Current Version in a comment 
+# If None, describe how to obtain the Current Version (CV) in a comment 
-#The other methods are automatic but check that the mechanism works
+# Tags and RepoManifest (RM) are automatic but check that the mechanism works
+# Use Static if you plan to let the maintainers know in person (so to speak)
 Update Check Mode:
+# These two are usually in the AndroidManifest.xml, but can be automatically
+# updated according to value of the previous field
 Current Version:
 Current Version Code: