Remove workarounds for BL-316

Don't seem to be needed any more.
Presume L10NSharp has been fixed at some point.
Fix BL-169:
On Windows, use firefox when opening externally
Some design work
Fix BL-332, "Bloom Pack" no "BloomPack"
Update nuget package information for L10NSharp
Merge pull request #34 from ermshiperete/fixBuild

Update nuget package information for L10NSharp
BloomPack-->Bloom Pack in English TMX
Re-add some strings to Bloom.en.tmx with x-nolongerused=true

Otherwise, they can get added during l10n without that property.
Merge pull request #35 from andrew-polk/BL558_SetUnusedStrings

Re-add some strings to Bloom.en.tmx with x-nolongerused=true
Fix BL-264 When a box is given a border, it needs some padding
Merge pull request #36 from BloomBooks/BL-264_PaddingWhenBordered

Fix BL-264 When a box is given a border, it needs some padding
Convert StyleEditor.ts to spaces for indent
Add ability to click on letters to select them in longpress
Merge pull request #37 from andrew-polk/BL450_AddLongpressClick

Add ability to click on letters to select them in longpress
Merge pull request #33 from JohnThomson/BL-316

Remove workarounds for BL-316
Add ICSharpCode.SharpZipLib.dll to the installer
Merge pull request #38 from andrew-polk/BL600_AddSharpZipLibToInstaller

Add ICSharpCode.SharpZipLib.dll to the installer
Fix incomplete change which was breaking the build
Merge pull request #39 from andrew-polk/BL600_AddSharpZipLibToInstaller

Fix incomplete change which was breaking the build