update_text_Java_Play.md

Big update:

Update all links to solutions files.

1.1.3

Using Own IDE

1.2.1

cd Solutions to cd src

cd Solutions
javac jdbcplaystocksTask1.java
java jdbcplaystocksTask1
to
javac Solutions/jdbcplaystocksTask1.java
java Solutions/jdbcplaystocksTask1

1.2.1 to 1.2.5

Solutions folder to src/Solutions directory