[enh] Append downloads button.
[enh] Append downloads button on upgrade script.
[fix] Force blank line when insterting css.
[fix] Wrong paths and permissions when patching transmission sources.
[fix] Wrong image filename.
[fix] Remove trailing spaces.
[fix] Invalid css.
[fix] Prevent patching sources twice.
[fix] Wrong grep condition.
[fix] Backport upstream CSS fix for toolbar buttons.
Merge pull request #6 from opi/master

[enh] Append downloads button.