po/pt_BR.po: fix po syntax, fixes #319

Commit 19c57b94 introduces translation with missing/additional double-
quotes and causes build error
````
msgfmt -o share/locale/pt_BR/LC_MESSAGES/git-cola.mo po/pt_BR.po
po/pt_BR.po:294: end-of-line within string
po/pt_BR.po:386:11: syntax error
msgfmt: found 2 fatal errors
error: command 'msgfmt' failed with exit status 1
make: *** [all] Error 1
````
This commit fixes the syntax.

Signed-off-by: Ｖ字龍(Vdragon) <Vdragon.Taiwan@gmail.com>
zh_TW.po: translate all fuzzy strings
zh_TW.po: new translations

Signed-off-by: Ｖ字龍(Vdragon) <Vdragon.Taiwan@gmail.com>
zh_TW.po: fix translation

This commit adds the previously not translated "Display" term.

Signed-off-by: Ｖ字龍(Vdragon) <Vdragon.Taiwan@gmail.com>
hotkeys_zh_TW.html: add new translations
Merge pull request #320 from Vdragon/fix_issue_319

po/pt_BR.po: fix po syntax, fixes #319

Signed-off-by: David Aguilar <davvid@gmail.com>
Merge branch 'translation_zh_TW' of https://github.com/Vdragon/git-cola into translation_zh_TW
app.py: fix ambiguous error message.

Current message may be comprehended as "You haven’t specify --repo in
the command-line, please specify it." by translators, and it's wrong.

This commit changes the message to "fatal: \"%s\" is not a directory.
Please specify a correct --repo
<path>."

Signed-off-by: Ｖ字龍(Vdragon) <pika1021@gmail.com>
hotkeys_zh_TW.html: update term translation.

Since commit 1cfe39b2 (issue #269), "Browser" window had been renamed to
"File Browser".  This commit updates the hotkeys webpage to use the same
term.

Signed-off-by: Ｖ字龍(Vdragon) <Vdragon.Taiwan@gmail.com>
Merge pull request #323 from Vdragon/fix_issue_322

app.py: fix ambiguous error message, fixes #322

Signed-off-by: David Aguilar <davvid@gmail.com>
Merge pull request #321 from Vdragon/translation_zh_TW

zh_TW translation updates

Signed-off-by: David Aguilar <davvid@gmail.com>