Updated language translations.
s/Verify Recipient/Verify Identity/
Bump version to 2.0.4
Added more build information to BUILDING.md

Added more instructions about setting up a development environment.
Merge pull request #1007 from SamWhited/issue998

s/Verify Recipient/Verify Identity/
Fix overdraw issues in the conversation view

Remove the redundant window background and row backgrounds to improve
drawing performance.
Merge pull request #992 from veeti/overdraw

Fix overdraw issues in the conversation view