Fix the test reader for SSD.

Refine MobileNet SSD model and add mAP evaluator.

Change optimizer & default learning rate

Add OCR CTC model

refactor directory for fluid NMT models.

update fluid ssd mobilenet

add fluid mobilenet ssd

Update optimizer

Fix the error in Readme.md of mt_with_external_memory.

Caffe2fluid

Do not fetch if no print

support lenet and resnet conertion

2. Add inference script
3. Add load model script
4. Add some functions into ctc_reader

Add learning rate scheduling for Transformer.

Make gradient attack method support norm (L1/L2/L∞, etc.).

add Paddle version requirements to all models.

move paddle.v2.fluid to paddle.fluid

Fix the problem that padding index contribute to the final loss.