Solves bugs #106, #107, #108

Please accept this Pull Request. The changes solves some UI and translation problems.
Fixed #108 getImage call corrected
![suitcrm_ru_email_serach_icon_fix](https://cloud.githubusercontent.com/assets/1355056/5526631/c4732be4-8a06-11e4-802e-be98b5cee619.png)
Fixed #107 Replaced untranslated strings
Fixed #106 Corrected `modules\AOP_Case_Updates\Case_Updates.php`, added missing vars, EN, RU, ES language files updated accordingly.
Small fix for general translation 'FOR' was translated as ('на сумму') 'in the amount of' instead of 'для'('for/in').