fix some gramatics

3. quite cumbersome formulation
6. grammatically incorrect word forms
9. duplicate verb in wrong form
Update bn-BD.md

copied over from bn-IN.
Add Acceptable Use Policy (Bug 1055744)
Localized zh-CN

Corneliu Rusu (HTP): Localized zh-CN
Formatting fixes for Bug 1055744
Add Report Copyright/Trademark Abuse page
Bug 1056082
Merge pull request #177 from CorneliuRusu/patch-2

Localized zh-CN
Remove dangling "or"
Merge pull request #176 from sgarrity/bug-1055744-acceptable-use

Add Acceptable Use Policy (Bug 1055744)
Merge pull request #178 from sgarrity/bug-1056082-report-abuse

Add Report Copyright/Trademark Abuse page
Merge pull request #162 from peiying2/patch-50

Update bn-BD.md
Merge pull request #135 from MikkCZ/patch-1

fix some gramatics