[webapp] Harbour tools implementation

To see the harbour tools view, harbour_tools.haml needs to be
present in the views directory. It is installed by a sailfish
specific webapp package.
[webapp] Call the rpm validation wrapper script from harbour tools

Signed-off-by: Juha Kallioinen <juha.kallioinen@jolla.com>
[webapp] Use Harbour class directly, more translation

Signed-off-by: Juha Kallioinen <juha.kallioinen@jolla.com>
[webapp] implement harbour tool updates toggle button

Signed-off-by: Juha Kallioinen <juha.kallioinen@jolla.com>
[webapp] Fix plus chars in filenames, select example in process

Signed-off-by: Juha Kallioinen <juha.kallioinen@jolla.com>
[webapp] optimize harbour tools page

Signed-off-by: Juha Kallioinen <juha.kallioinen@jolla.com>
[webapp] use /var/tmp as tmp and include jquery as a local file

Signed-off-by: Juha Kallioinen <juha.kallioinen@jolla.com>
[webapp] Added some nil checks

Signed-off-by: Juha Kallioinen <juha.kallioinen@jolla.com>
[webapp] add harbour link

Signed-off-by: Juha Kallioinen <juha.kallioinen@jolla.com>
[i18n] corrected language

Signed-off-by: Juha Kallioinen <juha.kallioinen@jolla.com>
[views] rearrange text on targets view

Signed-off-by: Juha Kallioinen <juha.kallioinen@jolla.com>
Merge pull request #2 from sailfish-sdk/harbour

Harbour