Create plugin for plate detector filter

Change-Id: I0e2fdec48ad997c0342f737a881bc72b1e8dfe18
Detect tesseract library necessary for platedetector element

Change-Id: Ic21088cb442d29658c41db0ecde58b563c8e8415
Changes in Tesseract library configurations.

Change-Id: I505d9851abf6d8300c34630be99bf0e22d66de57
Fix platedetector plugin name and description

Change-Id: I5df7166cb6d6910b4cb935ba0bc8e98692360b74
Add Source headers to files

Change-Id: I94398bc072c5259d6afb120d636f892140ede3a6
Select candidate regions which can contain license plates.

Change-Id: I4444580906166e3f05a5167148aa70e50b3405fe
Find car license plates and read their characters

Change-Id: I6c38c171d73e440ad95694bab219fe5efe46e8a8
Convert data structure in private structure

Change-Id: I96751a55ce0605135262b471bd2f8e1a5f8f63bc
Use structs instead of int arrays

Change-Id: I6fe24fe208f91eb15a5291f296aa908cf923b519
platedetector: Remove useless structure

Change-Id: Ib3659404dd77408f2ecaad15cad79b399509ae1e
platedetector: Add trained data as part of the project

Change-Id: I30ed5aca945c0a011c9007eb8f54d1982be9f542
platedetector: Remove unused variable

Change-Id: Ia235974e7163cbf1a3d6635ee94f6b45b6ce38aa
platedetector: Check if tesseract dictionary is installed

Change-Id: I56988750f657feac3afc348ba5bff4c859fe99fe
platedetector: Put message in the bus if a plate is detected

Change-Id: Ifd13020dac32c48316fb3ee66ac2c42c5c9e727b
Set license to LGPL

Change-Id: I88c04deece4c364889493306175b55adc6f932cc
Change data structures to GSList

Change-Id: I4ae865c15614a3b6a93a71e61264da1ba244d791
platedetector: Remove unneeded field in private structure

Change-Id: Ic04b271bd9ccc50d5ef0c0af26176f26fef75682
Make opencv a required dependency

Change-Id: I5af262207c62fb8a02a9118aa3b5f1814931cb37
Make tesseract a required dependency

Change-Id: I450e2b885974ad527641d2bc0c684665bcd04989
platedetector: Add missing m library linking

Change-Id: I573155fc45cad214784da2a2d570acbe691c13b2