Complex packages installation

Complex packages installation
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Java subsystem

Java is needed to build "LibreOffice" source package and to run binaries like "Eclipse IDE". Due to yogurt problem installing java is not trivial. To install java you have to perform a few steps:

Install java binary with command:
```
chimp add_java64
```
Perform relogin. After relogin "java" command should work.
Build java binary from sources:
```
chimp install openjdk
```
Perform relogin. After relogin "java" command should work.
Install apache-maven:
```
chimp install apache-maven
```
Perform relogin. After relogin "mvn" command should work.
Install apache-ant:
```
chimp install apache-ant
```
Perform relogin. After relogin "ant" command should work.

At the end you have to check that commands "ant", "java" and "mvn" are work.

LibreOffice

This package needs Java subsystem support and non-root user compilation.To install java you have to perform a few steps:

Install sudo:
```
chimp install sudo
```
Assign password for user maintainer:
```
passwd maintainer
```
Login as maintainer
Install libre office as maintainer:
```
chimp install sudo
```

After instaling sudo try to install packages from maintainer to avoid permission problems.