Update rules.markdown

Cleaned up some grammatical ambiguity.
Merge pull request #173 from connor4312/patch-1

Update rules.markdown
Implement new Hosting Discussion section rules
Update rules to reflect new point system
Merge pull request #174 from LordRalex/patch-13

Update rules to reflect new point system
Update rules.markdown
Update rules.markdown
Update rules.markdown
Update rules.markdown
Update rules.markdown
Merge pull request #176 from bl4ckscor3/patch-1

data:image posts
Merge pull request #177 from LordRalex/patch-12

Add host discussion rules
Fix <li> having a different font compared to the rest of the content.
Update rules.markdown
Update rules.markdown

We never required pictures to be uploaded with the Mods/Texture Packs/Maps for PE due to the fact that it is harder from some users to provide images from their smart devices.  I figured that the "No picks, no clicks" rule should apply to our sections as well.
Merge pull request #180 from DaneEveritt/patch-3

Fix <li> having a different font compared to the rest of the content.
Merge pull request #181 from bl4ckscor3/patch-2

Typo
Merge pull request #182 from KioriBug/patch-2

Update rules.markdown
Update server rules

Clarify 'Other Hosts' section, clarify non-tailored rules
Merge pull request #185 from DaneEveritt/patch-1

Update server rules