[mms-lib] Added retrieve/Success3 test case
[mms-ofono] Tweaking log levels

Mostly, changing log levels of some messages from VERBOSE to DEBUG to make
them available in release build and simplify on-device debugging.
Merge pull request #10 from monich/test_success3

[mms-lib] Added retrieve/Success3 test case
Merge pull request #11 from monich/debug-trace

[mms-ofono] Tweaking log levels
[mms_task_encode] Append file extensions for known media types

Good for interoperability with non-Jolla phones.
[mms_attachment_image] Mark non-jpeg attachments as resizable

if we have either ImageMagick or Qt available to do the resizing for us
Merge pull request #12 from monich/content-type

[mms_task_encode] Append file extensions for known media types
Merge pull request #13 from monich/qt-scaling

[mms_attachment_image] Mark non-jpeg attachments as resizable
[mms_task_encode] Treat empty content type as no content type

Fixes the case if UI sends a large png file which needs to be resized AND
we are using Qt to resize it AND file name has no extension AND content type
is an empty string.
Version 1.0.4
[mms_task_encode] strcasecmp -> g_ascii_strcasecmp
Merge pull request #14 from monich/empty-content-type

[mms_task_encode] Treat empty content type as no content type
Version 1.0.5
[mms_task_http] Tweaking debug log
[mms_task_encode] Don't encode empty subject

org_nemomobile_mms_engine_call_send_message_sync doesn't like NULL subjects
so we have to pass an empty string instead.
Merge pull request #15 from monich/no-empty-subject

[mms_task_encode] Don't encode empty subject
[mms_task_encode] Added file extension mapping for vcards
Merge pull request #16 from monich/vcard

[mms_task_encode] Added file extension mapping for vcards
[mms_codec] Ignore incorrectly encoded subject

Subject is an optional field, it's ok if we can't decode it.
Merge pull request #17 from monich/invalid-subject

[mms_codec] Ignore incorrectly encoded subject